Proto J718B Adjustable Wrench, 18 7 32 in Overall Lg, 2 15 32 in Jaw Capacity, Alloy Steel, Chrome G2511643 HFO Inlet Connection Gender Female HFO Inlet Connection Gender Female Operating Temperature Minimum 40 Degrees F Operating Temperature Maximum 302 Degrees F Outlet Connection Type Sweat Outlet Connection Gender Female Inlet Connection Type Sweat Collection Type Disposable Bag Item Adjustable Wrench Brand PROTO Adjustable Wrench Type Adjustable Wrench Material Alloy Steel Finish Chrome Overall Length 18 7 32 in Jaw Capacity 2 15 32 in Grip Style Plain Handle Type Ergonomic Adjustment Type Screw Mechanism Insulated No Nonsparking No Corrosion Resistant Yes End Style Hang Hole Head Type Standard Jaw Material Alloy Steel Jaw Texture Smooth Lockable No Opening Type Adjustable Ratcheting No Weight 4 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