Tajima Chalk-Rite Dura Chalk Box CR503S – 100ft Extreme Bold 1.8 mm Line, Integrated Handle Release

A tough, reliable layout tool for daily construction work

Tajima's Chalk Line CR503S is built for the rigors of busy sites. This extra heavy duty chalk box is designed for daily use, delivering practical features that help you achieve clean, highly visible lines with less downtime.

With a generous chalk capacity and a bold 100 ft line, you can work longer between refills while keeping your layout lines clear as you move from wall to wall. The canister top accommodates a replaceable felt piece to help keep your line clean and crisp during gridding and snapping tasks.

Rugged build and user friendly design

• Die-cast aluminum case with elastomer grip stands up to jobsite wear while staying comfortable in hand.
• Large fill neck allows mess-free loading of Tajima Micro Chalk and Snap Line Dye.
• Replaceable felt top helps keep the line tidy for more precise snaps.
• Integrated handle release lets the chalk line free-spool when pressed and automatically re-engage as you wind.

Performance that saves time

• Extreme bold 1.8 mm braided nylon line yields highly visible snaps for quick layout checks.
• Five-gear fast rewind system delivers quick line retrieval to keep you moving between tasks.
• 100 ft line length paired with a high capacity canister minimizes refills and interruptions on long jobs.

Designed to complement Tajima Micro Chalk and Snap Line Dye, this Chalk-Rite box offers practical advantages for framing, tiling, cabinetry, and general layout work. Use these features as possibilities to plan layouts with confidence and clarity, without overpromising results.