Product Description The IRWIN 100' Aluminum Strait-Line Chalk Reel houses 100 feet of chalk cord in a durable aluminum allow case. It is precision made with fewer working parts, and is practically damage proof. Reel features reversible line guides, self-locking plated handle, and a leak-proof chalk slide fill opening. The reel doubles as plumb bob. Irwin tools are made of only the finest materials, manufactured to exacting tolerances. Heavy-duty case is constructed of durable aluminum alloy Steel plated hook and large grip anchor ring provide better holding power Retractable self-locking metal handle allows reel to be used as a plumb bob Twisted cotton line holds more chalk for multiple line strikes Holds approximately 2 oz. of chalk. From the Manufacturer Strait-Line Chalk Reel, 100 feet of chalk cord in a durable aluminum allow case, precision made with fewer working parts; is practically damage proof. Reel features reversible line guides, self-locking plated handle, leak-proof chalk slide fill opening and reel doubles as plumb bob. Irwin tools are made of only the finest materials, manufactured to exacting tolerances.