IRWIN STRAIT-LINE? Marking chalks have a newly engineered flip-top cap that keeps the chalk in the bottle where you want it and stops it from spilling out in areas that you don't. The flip-top cap, available on all IRWIN STRAIT-LINE? chalk bottles, seals the chalk in an air-tight chamber, keeping out moisture and reducing the risk of clumping.

Non-toxic, waterproof. For use on oily, slick, wet, cold or dry surfaces. Used on lumber, concrete, ceramics and metal.

IRWIN STRAIT-LINE? Marking chalks have a newly engineered flip-top cap that keeps the chalk in the bottle where you want it and stops it from spilling out in areas that you don't. The flip-top cap, available on all IRWIN STRAIT-LINE? chalk bottles, seals the chalk in an air-tight chamber, keeping out moisture and reducing the risk of clumping.

IRWIN STRAIT-LINE? Marking chalks have a newly engineered flip-top cap that keeps the chalk in the bottle where you want it and stops it from spilling out in areas that you don't. The flip-top cap, available on all IRWIN STRAIT-LINE? chalk bottles, seals the chalk in an air-tight chamber, keeping out moisture and reducing the risk of clumping.

IRWIN STRAIT-LINE? Marking chalks have a newly engineered flip-top cap that keeps the chalk in the bottle where you want it and stops it from spilling out in areas that you don't. The flip-top cap, available on all IRWIN STRAIT-LINE? chalk bottles, seals the chalk in an air-tight chamber, keeping out moisture and reducing the risk of clumping.

IRWIN? STRAIT-LINE? has manufactured chalk reels designed with the end user in mind for more than 50 years. The new expanded chalk reel range features larger chalk fill openings designed for ease and speed and delivers best-in-class line strength and reel durability to hold up to jobsite wear and tear.

CHALK REEL CLASSIC W/BLUEand robust steel handle and large center hub. Includes: 2 oz. of chalk re-fill.

The IRWIN? STRAIT-LINE? Speedline? PRO chalk reel features an easy-fill and lock top that provides a wide opening for increased speed and visibility when filling the reel or accessing internals. The top locks securely with a 1/4 turn to prevent unwanted spills. The 100 ft hi-tensile line is 2.5X stronger than traditional chalk reels for fewer breaks on rough, abrasive surfaces. The reel has a 3:1 gear ratio to rewind the line 3X faster than traditional chalk reels.

The Irwin STRAIT-LINE Speedline(TM) chalk reel features a features a fill door that is more than 70% larger than the previous design for quick and easy chalk fill. The 100 ft abrasion-resistant poly line provides up to six strikes per pull. The reel has a 3:1 gear ratio to rewind the line 3X faster than traditional chalk reels.