10 oz. Chalk capacity for fewer refills on large jobs. 100' Heavy-duty braided line resists fraying and breaking over long distances. 2:1 Gear ratio rewinds line 2X faster than traditional chalk reels. Soft-touch ergonomic grip provides comfort and control while snapping lines. Large sliding door for easy chalk fill. Steel docking ring for secure anchoring. Robust steel handle and large center hub for increased durability, strength and torque.