Proto J708GB Adjustable Wrench Alloy Steel, Chrome, 8 5 32 in Overall Lg, 1 7 32 in Jaw Capacity, Red 32KW74 55 Footwear Shank Type Fiberglass 55 Footwear Shank Type Fiberglass Toe Shape Round Outsole Material Rubber Upper Material Leather Footwear Closure Type Lace Up Liner Material Gore Tex(R) Metal Chip Resisting Sole No Metatarsal Guard No For Outdoor Traction No Static Dissipative No Completely Non Metallic No CSA Footwear Standard Not Specified Mark II Slip Test Results Dairy Tile Oily Not Tested Removable Insole Yes Satra Slip Test Results Dairy Tile Oily Not Tested Upper Material Description Full Grain Leather Non Metallic Upper No Midsole Material Rubber Footwear Sole Pattern Exclusive Design Insole System Ortho Lite PU Footbed Safety Criteria Alloy Toe Abrasive Style Fiber General purpose adjustable wrenches have a screw mechanism located at the bottom of the head to open and close the jaws for a tight grip on a variety of fastener sizes