1 - Garage Door Torsion Spring .207 X 2" X 23 - OT PAIR - LHW + RHW:RIGHT-HAND WIND (RHW) The model 841LM 12V lock

The model 841LM 12V lock is only compatible with the following garage door opener model numbers: 8550WL

For use with various LiftMaster Swing Gate Operators LA400

* fire department padlock and Knox switch not provided

977LM and 66LM Wireless Keypads

1 - Garage Door Torsion Spring .207 X 2" X 23 - OT PAIR - LHW + RHW:RIGHT-HAND WIND (RHW) The model 841LM 12V lockDescription These are the highest quality Garage Door Oil Tempered Torsion Springs on the market. All springs come complete with both a winding cone and a stationary cone which makes for an easy installation. Features Black coated corrosion resistant torsion springs Installation If only one spring has broken, you can expect that the other one will break very soon. That is why we always recommend replacing them in pairs. We offer professional