General description HSS roll forged blacksmith drill bit with a reduced shank, designed for use with a standard chuck. The drill features a black oxide finish and is supplied in a plastic wallet. Technical specifications Dimensions: 23 x 215 mm Working length: 145 mm Material: HSS (High-Speed Steel) Finish: Black oxide Manufacturer Part Number (MPN): BSB23.0 EAN: 5055111209755 Other information