[No Damage To Walls & Copper & Supply Lines]This ferrule puller removes leaking compression sleeves without damaging walls, which effortlessly pulls the nut and ferral off of the pipe. This compression sleeve puller removes 1/2-inch copper water compression sleeve. If you are in need of replacing a quarter turn valve on a dishwasher, sink or toilet that has compression fittings, buy this tool and make your life easy. Designed by plumbing professionals. Precision machined plumbing tool. [Work On Corroded & freeze]Even such as the existing valve was severely corroded or freeze, you can turn the lever to extract the old compression sleeve from the pipe. Make sure the ferrule puller is properly aligned with the pipe, and then you are to remove the nut and ferrule with maybe 10 turns of the handle. Easy and fast solve the problem of compression valves failing with small leaks. Fully machined body and screw, this ferrule puller is , & wear . [2 Ways To Remove]Remove the old compression fitting or the old angle stop.WAY 1: ONLY REMOVE THE FERRULE---Let the ferrule in between the red notched end of the tool (notched clamping ferrule). WAY 2: BOTH REMOVE THE COMPRESSION NUT AND FERRULE---Place red notched end of tool behind compression nut. And then both way1 or way2 all need to: Engage the silver head end in tubing. Hold tool firmly while turning the t-bar handle, the puller tool automatically pull compression nut and ferrule. Color: Red Material: metal Package Contents: 1 x compression sleeve puller Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.