TRACER Trueshot Deep Hole Chalk Marker KitThe TRACER Trueshot Chalk Marker Kit is a next gen deep hole marking tool, designed for pinpoint chalk marking from 0mm to 100mm in depth. With its simple point and spray action, the Trueshot Chalk Marker delivers a highly accurate cross mark when held directly to any surface. Features up to 350 shot capacity replaceable chalk canister, 3 stage locking function (spray, lock, replace), tough ABS profile, tapered barrel, pocket clip and lanyard hole.