Abbey Tools Whip-It Chain Whip. Features: 12" stainless steel construction to tackle even the tightest cassettes Store Abbey Tools' Crombie tool in the handle; AT0031 is capable of storing the dual sided Crombie Shop version features a longer handle with cushioned grip for comfort and added leverage Made in the USA: Bend, Oregon Specs: Model: Shop Whip-It Chain Whip Description: Cassette Tool Color: Silver/Black Package: Each Remarks: Compatible with 7 to 13 speed cassettes from all manufactures