Angle Clamp Miter Capacity 4 3/8 in Jaw Width 4 1/8 in Jaw Height 2 3/8 in Throat Depth 2 3/8 in Jaw Material Cast Iron Spindle Material Copper Clamping Capacity 4 1/8 in Application Metalworking Clamping Angle - Maximum 90 Degrees Features Self-Centering Jaws to Quickly Adjust to Work Pieces Slotted Holes in the Base Milled Work Surfaces and Base Includes Handle that Resist Weld Spattering Self-Centering Yes