McMaster 2815A13 Jacobs Taper Mount Keyed Drill Chuck, Number 3, for 0.04" to 1 2" Bit Shank Size, Model 14N 31500035407000 CC Item 8 Inch Work Boot Toe Item 8 Inch Work Boot Toe Type Alloy Gender Men's Color Black Waterproof Yes Upper Boot Material All Leather Midsole Material Rubber Toe Shape Round Removable Insole Yes Footwear Closure Type Lace Up Conductive No Footwear Shank Type Fiberglass Last Number or Name 610 Insulation Type None Shank Material Fiberglass For Outdoor Traction No Non Metallic Upper No Ninety Degree Heel Yes Static Dissipative No Max Knurled Drive Roll Counterclockwise Country of Origin China DFARS Compliance Specialty Metals COTS Exempt ECCN EAR99 Schedule B Number 846610 Ball Bearing — Chucks with ball bearings produce less friction for the best grip on bits