TAJIMA Chalk Line CR402S – Ultra-Thin 0.5mm Dura Chalk Box with 5-Gear Quick Wind

Overview

Meet the TAJIMA Chalk Line CR402S, a precision tool designed for tough job sites. The die-cast aluminum body pairs with a rubberized grip for secure handling during long layout sessions. The line is an ultra-thin 0.5 mm braided nylon, delivering crisp snaps that translate into precise layout marks across wood, tile, cabinetry, and more. The integrated design keeps chalk loading straightforward, and works well with Tajima Micro Chalk and Snap Line Dye for consistent visibility.

Why this chalk line stands out

• Ultra-thin 0.5 mm braided line for precise, clean snaps.
• 5-gear fast retrieval to speed line winding between measurements.
• Die-cast aluminum case with elastomer grip for durability on-site.
• Integrated handle release enables controlled free-spool and quick re-engagement.
• Easy-fill neck for mess-free loading of chalk powder and dye.

Ideal uses on the job

• Interior layout work, finish carpentry, exterior layout, and trim projects.
• Cabinetry, bathroom and kitchen tile layouts, and other precision marking tasks.
• Great for jobs where clean reference lines must stay visible across steps.

On busy sites, the 5-gear wind system helps speed line retrieval, reducing pauses between measurements. The quick spool mechanism, paired with the integrated release, allows you to control how much line is exposed. The easy-fill neck minimizes setup time and chalk spills, contributing to a dependable, repeatable workflow without overpromising results.

Designed for professionals—framers, finish carpenters, drywallers, and general contractors—the CR402S covers a wide range of layout tasks. It combines durable construction with precise line performance and practical maintenance features to withstand daily use. Tajima’s focus on design, material quality, and on-site reliability is evident in this tool.

Choosing Tajima means aligning with a legacy of tool design that emphasizes accuracy, durability, and user comfort. This chalk line is built to be a steady companion for layout work, offering consistent results and a clear path from mark to measurement.