4" Pulley Clevis Strap Kit for Extension Springs

Pulley 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: Instructions Here are some great how to guides on extension spring install: Click here to download instruction manual Compatibility Compatible with: 4" diameter extension spring pulleys Most residential steel and wood doors with standard lift Extension Springs NOT COMPATIBLE WITH TORQUEMASTER OR TORSION SPRING SYSTEMS. ONLY EXTENSION SPRINGS!