Manufacturer Part Number: SQ-20|Clamp Type|F-StyleMaximum Capacity (Inch)|20.0000Maximum Capacity (cm)|Handle Style|T-HandleThroat Depth (Decimal Inch)|5.5000Throat Depth (cm)|Throat Depth (Inch)|5-1/2Clamping Pressure|2660lbRail Size (mm)|Rail Size (Inch)|1-3/16 x 19/32Rail Length (Inch)|20.00Arm 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)|0.7750Spindle Diameter (mm)|Spindle Diameter (Inch)|Finish|ElectrogalvanizedHandle Length|Handle Material|Forged SteelIncludes|Heavy-Duty Pad; Standard Rail ProfileSeries|SQSystem Of Measurement|Fractional InchUNSPSC Code|27112100