OTC's Piston Ring Compressor Plier Set features 6 different rings to accommodate many different piston sizes
Covers 2-7/8 inches through 4-3/8 inches piston diameters
Ratcheting lock holds handles in position for easy piston installation
Durable blow-molded storage case keeps tools contained and organized so they are ready when you need them
One year limited warranty
This 6 ring set covers 2-7/8 inches through 4-3/8 inches piston diameters. The ring compressor pliers feature a ratcheting lock to hold the handles in position for easy piston installation.