Manufacturer Part Number: SGL-18|Clamp Type|F-StyleMaximum Capacity (Inch)|18.0000Maximum Capacity (cm)|Handle Style|T-HandleThroat Depth (Decimal Inch)|4.7500Throat Depth (cm)|Throat Depth (Inch)|4-3/4Clamping Pressure|1800lbRail Size (mm)|Rail Size (Inch)|1-1/16 x 33/64Rail 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)|0.7000Spindle Diameter (mm)|Spindle Diameter (Inch)|Finish|ElectrogalvanizedHandle Length|Handle Material|Forged SteelIncludes|Heavy-Duty Pad; Standard Rail ProfileSeries|SGLSystem Of Measurement|Fractional InchUNSPSC Code|27112100