Wilton 44324 Ac-324, 90 Degree Angle Clamp, 4-Inch Throat, 2-3/4-Inch Miter Capacity, 1-3/8-Inch Jaw Height, 2-1/4-Inch Jaw Length Designed With Self-Centering Jaws To Quickly Adjust To Work Pieces Squarely Machined Sides And Base Provide Secure And Precise Clamping Oblong Holes In Base For Use In Mounting Clamp To Workbench