How to Measure a Torsion SpringHow to Measure a Torsion Spring
What is a High Cycle Spring?What is a High Cycle Spring?

4" SHEAVE

4" SHEAVE
Item#136255338
$7.95
This item is currently out of stock!

Product Description

4" Track sheave for residential or light commercial doors. Rating 300lbs 35,000 cycles, 3/8" bore.