Lay out line

摘要: A chalk line apparatus for marking regularly spaced locations. The comprises a casing powdered containing rotatable reel, wire rope wound on said and an exit opening the at one end of holder. is coated with material that resists retention chalk, has evenly short chalk-retaining segments disposed thereon so when tensioned to about 10 lbs, reside precisely placed predetermined intervals. When snapped, chalk-covered leave marks correspond locations underlying wall studs.