Check the listing for details. Crown Tools 271KW Cryogenic 1" Skew Chisel. Condition: New. Listed at 70.94 USD. Crown's 1" standard Skew Chisel in the Cryo treated version. Turning skews are used for making beads, tapers, v-grooves, and straight cuts. Stained black ash handle is approximately 10" long, and the tool has an overall length of approximately 16-1/2". England About Crown Cryogenic Tools Years ago tool makers discovered the enormous benefits of cryogenically (super-cold) treated tool cutters, especially plane blades. Now this technology has been applied to select Crown Turning Tools to bring a giant leap in turning tool performance. Cryo treating cutting tools alters the crystalline molecular form of key ingredients in the metal. This altered structure helps the metal achieve a vast improvement in wear resistance for longer life and longer edge retention, and a superior feel in use.