4" Pulley Clevis Strap Kit for Extension Springs Liftmaster Locate the Program Button on

Locate the Program Button on the remote control

it features Security+2

Works with #8 self tapping screws of varying lengths (depending on door thickness)

Adjustable commercial top roller bracket made in the USA out of galvanized steel

4" Pulley Clevis Strap Kit for Extension Springs Liftmaster Locate the Program Button onPulley clevis strap fastener kit for 4" diameter pulleys. Need a pulley for this clevis strap? Extension Spring Pulley 4" for doors up to 200lb. NOT COMPATIBLE WITH TORSION OR TORQUEMASTER SPRING SYSTEMS. Includes: 2 4" clevis straps bolts, nuts & washers Specifications: 200lb Load Steel Construction Zinc Plated Compatible with 4" diameter pulley sheave wheels for Extension Spring Doors Take a look at this diagram to see the different spring types: