1 PISTON RING 4″ (100mm)

Capacity: 2-1/8″ to 7″ (53-175mm) 

Made of high-quality steel, with high strength, and corrosion resistance. 

The Piston Ring Compressor is equipped with an Allen Key Drive 

Durable and can be used to adjust dimensions 

With Adjustable Safety Screws and Professional Rivets.