Bora 543106K Circular Saw Plate and Straight Edge Guide System. The 100&rdquo; Clamp Edge and Saw Sled That Allows For Straight, True Cuts EVERYTHING YOU NEED FOR STRAIGHT CUTS  The 100 clamp edge adjusts to firmly clamp to both ends of your board/material, and the saw plate / saw sled easily attaches to your circular saw. WORK TOGETHER FOR PRECISION  The saw guide (with your saw attached) slides right into the fastened clamp edge, and slides along it, ensuring your cuts are straight and true. WORKS WITH ALMOST ANY MAKE/MODEL SAW  Works with most makes and model circular saw, both in right handed and left handed configuration. EASY TO USE  The clamp edge easily attaches and de-attaches, and is made of high quality aluminum. The saw plate easily fastens tightly to your saw (for added versatility, your saw can still be used freehand with the saw plate on as well.) SPECIAL PRICING, AND A LIFETIME WARRANTY  This clamp edge / saw plate combo is specially priced for our woodworking and DIY customers.