A simple & easy-to-use tool for transferring the exact cutting profile necessary to accurately notch and weld together tubing, tubing & sheet, and tubing & angle. Just slip the proper size tool over the corresponding size of tubing, push down the pins to establish the tubing joint profile, transfer the joint outline onto the tubing, and cut. Housing made of rugged ABS with 6063 aluminum inner shell and spring temper SS pins.