Angle Clamp Miter Capacity 4 3/4 in Jaw Width 4 1/2 in Jaw Height 2 3/8 in Throat Depth 9 1/2 in Jaw Material Cast Iron Spindle Material Copper Clamping Capacity 9 1/2 in Application Welding Clamping Angle - Maximum 90 Degrees Features Automatic Adjustment to Work Pieces of Different Thicknesses Service Spindle Assembly (Item# 3100954) Self-Centering Yes