Stanley 47-442 Chalk Reel with Blue Chalk

Product Description

The STANLEY 47-442 is a chalk reel packaged with blue chalk, used to snap straight reference lines on flat surfaces during layout and installation work. Chalk reels are a standard layout tool in plumbing rough-in, electrical conduit runs, flooring installation, and framing. The unit is sold as a complete set, so technicians can start marking lines immediately without sourcing chalk separately. At 0.69 pounds, the reel is lightweight enough for one-hand operation across a full workday. The blue chalk provides high-visibility lines on concrete slabs, subfloors, drywall, and similar substrates commonly encountered in trade work.

The STANLEY 47-442 is suited for residential and light commercial jobsite layout tasks. Plumbers use chalk reels to mark drain slope lines and pipe chase locations. Electricians snap lines for conduit routing and panel knockouts. HVAC installers rely on chalk lines to align duct runs and equipment pads. The included blue chalk is a standard, non-permanent formula that can be wiped away after layout is complete, making it appropriate for finished or semi-finished surfaces where permanent markings are not acceptable.

Key Features

• Includes blue chalk for immediate use out of the package
• Lightweight at 0.69 pounds for extended one-hand operation
• Produces high-visibility lines on concrete, subfloor, drywall, and similar surfaces
• Blue chalk formula is non-permanent and can be wiped clean after layout
• Compact form factor suited for tool belts and pouches on active jobsites

Compatibility

Designed as a general-purpose chalk reel compatible with standard chalk reel refill chalk in the appropriate color and grit grade.

Installation Notes

Chalk reels require no power source and no special licensing to operate, but accurate line snapping is a foundational layout skill that affects downstream trade work quality. Anchor the hook end securely before pulling the line taut to avoid inaccurate snaps. On exterior or wet surfaces, allow the surface to dry before snapping to ensure chalk adhesion. Replace chalk as needed and re-tension the reel string if it shows signs of stretching or fraying.

Technical Specifications

• Weight: 0.69 pounds
• Chalk Color: Blue
• Unit of Measure: Each
• UPC: 76174474428

Standard Information

• Brand: STANLEY
• Manufacturer Part Number: 47-442