Proto JSBV1618 Box End Wrench Black Chrome, 1 2 in, 9 16 in Head Size, 7 in Overall Lg, Std, Reversing 6ATY3 Workers per System 1 Workers per System 1 46 Insole Material Polyurethane Liner Material (PRINT) Synthetic Fabric Ninety Degree Heel (PRINT) Yes CSA Standards Met Not Applicable Shank Material (PRINT) Nylon Insole Material (PRINT) Polyurethane All Leather Upper Yes Outsole Material (PRINT) Rubber Maximum Heat Rating (PRINT) Not Rated Slip Resistance Value Mark II Dry 1 Insulation Technology Not Applicable Insulation Weight (PRINT) Not Applicable Metatarsal Guard System Not Applicable Chemical Resisting Sole (PRINT) No Gender (PRINT) Men's Slip Resistance Value Mark II Wet 0 25 Degrees Insulated No Number of Geared Teeth 72 Wrench Shape Straight Single End Double End Double End Flexible Head No Head Movement Fixed Wrench Material Chrome Vanadium Steel Wrench Product Grouping Wrenches Box End Style Spline Offset 0 Degrees Tether Capable Standard Tool (Accessory Needed for Tethering) Wrench Item Ratcheting Box End Wrench Tether Style Not Tether Capable Non Magnetic No Handle Type Steel Head Offset Angle 0 Degrees Measurement Type SAE Ratcheting Yes Nonsparking No Grip Style Plain Handle Color Black Box End Type 12 Point Box End The 1 2 in_9 16 in head size and 7 in overall length make it perfect for standard use