This Dial Manufacturing, Inc. 3-1/2 in. x 1/2 in. Variable Motor Pulley is for use with 1/2 HP cooler motors. The two sides are adjustable, so you can fine-tune the V-belt tension to prevent your motor from over-heating.
- 3-1/2 in. x 3-1/2 in. x 1-3/4 in.
- Cast iron
- 90 day limited warranty