High Clearance Pipe Clamp Crank H-Style Nominal Rail Size (In.) 3/4 pipe (Not Included) Spindle Dia (In.) 0.545 Pad Type Non-Marring Swivel Type Replaceable Screw Size (In.) 0.545 Clamp Face (In.) 2 x 1-1/2 Bar Material Cast Iron Handle Length (In.) 4 in Handle Material Cast Iron Clamping Surface D (In.) 2 in Clamping Surface W (In.) 1 1/2 in General Purpose For Assembly Gluing Construction And Maintenance Includes Removable Plastic Jaw Caps