Craftsman 1/2 HP Chain Drive Garage Door Opener

Easy, Consistent Garage Access The Craftsman Series 100 Garage Door Opener (#57943) can lift the heaviest garage doors with a powerful 1/2 hp AC motor. The rugged chain-cable drive system delivers reliable and consistent operation, so you can get into and out of your garage with ease. A 5-piece sectional steel rail assembles easily, so you can get on with your day. 1/2 hp AC Motor with Chain Drive Standard Wall Button Two 3-Button Remotes Photo Eye Safety System