2" Nylon Garage Door Rollers 4" Stem (set of 2) The unit will feature a

The unit will feature a purple learn button

If you want the hoist on the left side of the operator you need MH5011UL

For use with various chain drive garage door openers that utilize a T-rail and have a 8' garage door

each tube a single application

2" Nylon Garage Door Rollers 4" Stem (set of 2) The unit will feature a2" Nylon Garage Door Rollers 4" Stem (Set of 2) For residential sectional doors 7 16" diameter 4 inch stem Deluxe nylon rollers provide a smoother and quieter opening and closing of garage door 11 ball bearing commercial grade for smoother operation Keeps the noise down when garage is attached to the house Replaces steel rollers