Stanley · Marking & Layout Tools
A complete site-marking kit in one blister pack: a 30-metre high-impact ABS chalk reel with a stainless steel end hook, a fold-away rewind crank, a snap-on spirit line level and a 115 g bottle of Stanley blue marking chalk. Snap dead-straight guide lines for tiling, SPC and LVT flooring, gypsum ceilings, WPC fluted panels, blockwork and roofing — over any distance a tape measure cannot hold straight.
Product overview
A chalk line is the cheapest accuracy on a site. A 30-metre run marked by eye or by shifting a 5 m tape will drift by 10–30 mm; a snapped chalk line holds a true straight edge end to end in about fifteen seconds. Because this Stanley kit also carries a clip-on spirit level and a pointed steel hook, the same tool gives you a level horizontal line and a plumb vertical reference — three layout tools in one blister pack.
Survives the drop off a scaffold board. Contoured body with a moulded grip so a chalk-dusted hand still holds it.
Rust-free in coastal and rainy-season conditions, and shaped to grip a nail head, a slab edge, a stud or a formwork lip single-handed.
Three turns of line per turn of the handle, then the crank folds flush into the case so it never snags in the tool bag.
Torpedo-style spirit vial clips straight onto the string so you can set a truly horizontal datum line across a room without a laser.
Refill in seconds without opening the case or spilling powder — slide, pour, close, shake.
Let the weighted hook hang free and the reel becomes a plumb line for door frames, column boxes, WPC wall panels and gypsum partitions.
Technical data
| Brand | Stanley (Stanley Black & Decker) |
|---|---|
| Model / part number | 0-47-443 (also listed STHT47-443 / 47-443) |
| EAN / barcode | 3253560474430 |
| Line length | 30 m (100 ft) |
| Line type | Braided cotton/polyester marking line, high chalk retention |
| Case material | High-impact ABS engineering plastic, Stanley yellow |
| Rewind mechanism | Geared crank, 3:1 ratio, folds flush into case |
| End hook | Stainless steel, swivelling, pointed — doubles as plumb bob tip |
| Chalk capacity (reel) | Approx. 30 g per fill |
| Refilling | Sliding chalk door on case body |
| Hanging / storage | On-board hook storage; blister card with euro hang-hole |
| Dual function | Chalk line reel + plumb bob |
| Country of manufacture | China (Stanley global tooling) |
| Part number | 1-47-403 |
|---|---|
| Net weight | 115 g (listed 113 g in some markets) |
| Colour | Blue |
| Permanence rating | 1 on Stanley's 0–4 temporary-to-permanent scale |
| Composition | Fine micronised calcium carbonate with colour pigment |
| Bottle | Squeeze bottle with sealing screw cap and pointed nozzle |
| Best for | Interior work, timber, gypsum, screed, tiles, steel, plywood |
| Removal | Brushes or washes off most non-porous surfaces with water |
| Type | Single-vial spirit line level, hook-mounted |
|---|---|
| Body | Moulded plastic with twin hanging hooks |
| Reading | Horizontal (level) only |
| Fitting | Clips onto the taut string, ideally at mid-span |
| Use | Setting datum lines, ceiling grids, skirting and dado heights, fence and gate lines |
How to use it
The whole operation takes under a minute once the reel is charged. Work with a helper on runs over 8 m, or hook the line onto a nail and work solo.
Slide open the chalk door on the side of the case. Snip the nozzle on the 115 g bottle, squeeze in roughly 30 g — about a third of the bottle — close the door and shake the reel for five seconds so the powder coats the full length of the wound line. Keep the rest of the bottle capped for refills.
Measure and pencil a clear tick at each end of the run: two floor marks for a tile course, two wall marks for a ceiling datum, two rafter marks for a roofing purlin line. Accuracy of the snapped line can only ever be as good as these two marks.
Hook the stainless steel end hook over a nail, screw, slab edge, stud or formwork lip at the first mark — or have a second person hold it exactly on the mark with a thumb.
Walk the reel to the second mark, pulling line freely off the case. Hold the string firmly on the mark with the line under real tension. Slack in the line is the number one cause of a curved or blurred snap.
Clip the spirit line level onto the string near mid-span, let it settle, and raise or lower your end until the bubble sits dead centre between the marks. Mark that height, then snap. This is how you set a gypsum ceiling datum or a skirting height without a laser level.
With the string taut and touching the surface at both ends, pinch it at roughly the midpoint, lift it straight up 25–50 mm — perpendicular to the surface, never sideways — and release it cleanly. The line slaps down and deposits a crisp chalk mark. On runs over 10 m, snap in two halves: pin the middle with a finger and snap each side separately.
Unfold the crank and wind the line fully back in — three turns of line for every turn of the handle — then fold the crank flush into the case. Never leave line out in the case; it tangles and picks up grit that shreds the braid.
Pull out the length you need, hold the reel at the top of a door frame, column box or WPC wall panel, and let the weighted stainless hook hang free until it stops swinging. The string is now your true vertical. Mark top and bottom, then snap the line for a perfectly plumb guide.
Applications
Setting out the first course, centre lines and diagonal reference lines on floors and walls so cuts land where you want them.
Squaring the starting row and marking expansion-gap and underlay lines across a large room in one snap.
Level datum lines for the perimeter wall angle, then stud and hanger centres marked at 400 or 600 mm spacing.
Plumb vertical guide lines and level top and bottom lines so a panelled feature wall does not creep out of square.
Marking joist and plastic keel centres across a terrace so board joints stay in line.
Purlin lines, fixing rows and cut lines across iron sheets or box profile so screws run straight.
Wall setting-out on a slab, opening positions, and course reference lines before the first block goes down.
Crisp cut lines for two-tone walls, feature bands and dado heights, using temporary blue chalk that wipes away.
Straight edges for cabro, kerb runs and artificial grass seams on a prepared base.
Getting it right
Stanley grades marking chalk 0 to 4, from temporary to permanent. The blue 1-47-403 supplied here sits at 1 — bold enough to follow all day, yet it brushes or washes off finished floors, tiles, gypsum and painted surfaces. That is why blue is the default choice for interior finishing work.
Temporary ←→ Permanent. Use red or fluorescent grades only where the mark may stay forever.
Buyer questions
30 metres, which is 100 feet. That covers almost any room, slab, roof run or boundary line on a typical Kenyan residential or commercial site in a single snap.
Chalk is included. Every pack carries a full 115 g bottle of Stanley blue marking chalk (part number 1-47-403) alongside the reel and the line level — nothing else to buy to start work.
No. Blue chalk is rated 1 on Stanley's 0–4 permanence scale, the temporary end. It brushes off or wipes away with a damp cloth on tiles, SPC, gypsum and painted walls. On very porous natural stone, test on an offcut first.
Yes. The pointed stainless steel end hook is weighted for exactly that. Hold the reel at the top, let the hook hang free until it settles, and the string gives you a true vertical for door frames, column boxes, WPC wall panels and partition studs.
Any standard squeeze-bottle marking chalk. We stock the matching Stanley 1-47-403 blue 115 g refill; red and fluorescent grades are available on request for marks that must stay put outdoors.
It clips onto the taut string so you can set a genuinely horizontal line without a laser — datum lines for gypsum ceilings, skirting and dado heights, fence and gate lines, or a level starting course for tiling.
Yes — it is stocked at both our Magadi Road, Ongata Rongai branch and our Tuala branch past Nazarene University. Collect at the counter, or we dispatch by boda, matatu parcel or courier across Nairobi, Kajiado, Kiambu and upcountry. WhatsApp 0741 042484 for today's price and delivery cost.
Shabbiri Hardware is supply-only — we do not install or fabricate. We are happy to share contacts of independent fundis and installers who buy from us regularly.
Stock & collection
Magadi Road, Ongata Rongai — opposite Hashi Petrol Station, Nairobi, Kenya.
Magadi Road, Tuala — past Nazarene University, Nairobi, Kenya.
Send the model number on WhatsApp and we will confirm price, stock and delivery the same day.
| Brand | Stanley |
| Model | CL-30M |
| Category | Building Materials |
| Availability | In stock |
| Sourced by | Shabbiri Hardware Kenya Limited |
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