Product Details: Manufacturer Part Number: GS20K|Clamp Type|F-StyleMaximum Capacity (Inch)|8.0000Maximum Capacity (cm)|Handle Style|T-HandleThroat Depth (Decimal Inch)|4.0000Throat Depth (cm)|Throat Depth (Inch)|4Clamping Pressure|880lbRail Size (mm)|Rail Size (Inch)|49/64 x 3/8Rail Length (Inch)|8.00Arm Width|Arm Thickness|Pad Type|StandardTapped Hole Size|Pad Material|SteelClamping Surface Diameter|Clamping Surface Width|Spindle Material|High Carbon SteelFrame Material|SteelSpindle Diameter (Decimal Inch)|0.6250Spindle Diameter (mm)|Spindle Diameter (Inch)|5/8Finish|ElectrogalvanizedHandle Length|Handle Material|Forged SteelIncludes|Crimped-On Contact PadSeries|classicX GSSystem Of Measurement|Fractional InchUNSPSC Code|27112100