Genie 27191A.S Garage Door Opener Sprocket - 10 Tooth you can expect that the

you can expect that the other one will break very soon

Dimensions are 9 1\2" wide X 5 1/2" high X 4" deep

Multiple Hole Configuration Face Plate

replaces the clip-on limit switch mounts on chain with screws

1 - LiftMaster 889LM Control Panel Receiver

Genie 27191A.S Garage Door Opener Sprocket - 10 Tooth you can expect that theThis 10 Tooth Chain Sprocket sits on the shaft on top of the Genie garage door opener powerhead. The garage door opener chain goes around this 10 tooth sprocket while the teeth on the sprocket grip the chain so it stays on track. This is a genuine Genie replacement chain sprocket that will allow you to quickly replace your old one. Genuine Genie Replacement Part Includes only: 10 Tooth Chain Sprocket Compatible with Models ProMax: 700, PMX 1200, GPS