The JET Tools SUW-133103 is a 3" single sheave made from cast iron, with bronze bushings and a ball-type oiler. Testing is performed at 150% of its rated capacity. This model has a specific replacement limitation: it is not intended to take the place of a sheave from either a snatch block or a yarding block.

• Single sheave with a 3" size
• Cast iron construction with bronze bushings
• Equipped with a ball-type oiler
• Tested at 150% of rated capacity
• Not suitable as a replacement sheave for snatch blocks or yarding blocks