4 Inch Heavy-Duty Galvanized Steel Garage Door Pulley

Maximum Cable size 3/16"

Low headroom sectional garage doors

4 Inch stem

Normally used as an idler for low headroom sectional garage doors and doors with an extension spring set-up. These come in sizes 3", 4", and 3" with Yoke and 4" with Yoke.

For sectional garage doors and doors with extension spring set-up

Maximum Cable size 3/16"

There should be very little movement in the pulleys except their rotation

If they do not turn smoothly or wobble, replace them

4 Inch stem