Bora 543300 Clamping Straight Edge Use with all circular saws, routers, jigsaws and other portable power tools Ridged Aluminum Straight Edge Guide for making straight, accurate track saw like cuts Soft-grip non-marring rubberized clamping pad, securely grips all surfaces Modular design allows additional aluminum extrusion sections (sold separately) to be added to expand the capacity up to 100-inches Soft grip 2-3/16-in x 5/8-in (55.6 x 16mm) clamping pads secure firmly to all surfaces for many clamping and cutting applications