Bessey EHKL360 12 12" Trigger Clamp, 360 Degrees ratchet Chisel capacity 1 4" to 1" Compatible with the Porter Chisel capacity 1 4" to 1" (6 to 26 mm) Maximum chisel stroke 8" (200 mm) Distance from fence to center chisel 3" (77 mm) Distance from center chisel to table (chisel 1 4") 6 1 2" to 10 3 16" (165 to 259 mm) Chuck capacity 1 2" (13 mm) Table size 12 1 2"x 18" (318 x 458 mm) Base size 12" x 12" (305 x 305 mm) Table movement (side to side) 14" (356 mm) Table movement (front to back) 3(77 mm) Overall height 48 1 2"(1232 mm) Spindle speed 1720 rpm Motor 1 HP Its 5 8 inch arbor makes it compatible with many different circular saws for outstanding versatility one can clamp several EHKL360 clamps side by side in a confined space and rotate the handle 180 out of the way to allow room for the next clamp Large non marring clamping surface