Irwin STRAIT-LINE Mach6 Chalk Line Reel and Chalk Easy Fill Lock Top features a large, 1/4-turn locking top for quick chalk fill and easy access to reel internals. 100 Ft. hi-tensile line is stronger for fewer breaks and for use on rough, abrasive surfaces. Open access back panel allows for quick line change and cleaning. Metal drive gear resists gear failure under heavy load. Robust steel handle and large ergonomic clutch for increased durability, strength, and torque. Wide-prong hook for secure anchoring. Durable aluminum housing provides impact resistance. 4 Oz. blue chalk included. Length 100 Ft., Color Blue, Gear Ratio 6 1, Permanence Scale 0-4 1, Fill Weight 8.0 Oz., Color Family Blues, Pkg Qty 1, Package Type Clamshell