Bar Clamp/Spreader, Type 1 Handed, Capacity (In.) 6 in, Spreading Range (In.) 3 to 9, Throat Depth (In.) 3 1/4 in, Handle Material High Impact Plastic Resin, Bar Material Heat Treated Steel, Function Clamps Or Spreads Front, Side, And Behind The Rail, Converts With Turn Of A Knob, 1 Hand Pump Action, Removable/Reversible Pressure Pads