Features 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. Material / Alloy Steel Finish / Black Phosphate Overall Length / 10 in Jaw Capacity / 1 1/8 in Grip Style / Plain Handle Type / One Piece Adjustment Type / Groove Measuring Scale / Yes Insulated / No Nonsparking / No Non-Magnetic / No Corrosion Resistant / Yes End Style / Hang Hole Handle Length / 10 in Head Type / Standard Jaw Material / Alloy Steel Jaw Texture / Smooth Lockable / No Measurement Type / Metric, SAE Opening Type / Adjustable Ratcheting / No Weight / 21.42 lb Standards / ASME Tether Style / Tether Capable