Manufacturer Part Number: STB-18|Clamp Type|F-StyleMaximum Capacity (Inch)|18.0000Maximum Capacity (cm)|Handle Style|T-HandleThroat Depth (Decimal Inch)|7.0000Throat Depth (cm)|Throat Depth (Inch)|7Clamping Pressure|4880lbRail Size (mm)|Rail Size (Inch)|1-37/64 x 25/32Rail Length (Inch)|18.00Arm Width|Arm Thickness|Pad Type|Heavy-DutyTapped Hole Size|Pad Material|SteelClamping Surface Diameter|Clamping Surface Width|Spindle Material|High Carbon SteelFrame Material|SteelSpindle Diameter (Decimal Inch)|0.8500Spindle Diameter (mm)|Spindle Diameter (Inch)|Finish|ElectrogalvanizedHandle Length|Handle Material|Forged SteelIncludes|Standard Rail Profile; Swivel PadSeries|STBSystem Of Measurement|Fractional InchUNSPSC Code|27112100