Product Description 1pc Ratchet pliers and 6 pcs Piston Ring Bands (2-7/8 inches to 4-3/8 inches) Fits any PISTON from 2-7/8″ (73mm) to 4-3/8″ (111mm) in diameter, Made of high quality carbon steel and durable iron, long lasting, The pliers feature a ratcheting lock to hold the handles in position for easy piston installation, The plierscan be used parallel or perpendicular to the cylinder block, Comes with a durable storage case for easy storage and carry. Specification: 6 Bands Sizes, 2-7/8″ through 3-1/8″ (73mm through 79mm), 3-1/8″ through 3-3/8″ (79mm through 86mm), 3-3/8″ through 3-5/8″ (86mm through 92mm), 3-5/8″ through 3-7/8″ (92mm through 98mm), 3-7/8″ through 4-1/8″ (98mm through 105mm), 4-1/8″ through 4-3/8″ (105mm through 111mm). Durable Made of high quality carbon steel and durable iron; The pliers feature a ratcheting lock to hold the handles in position for easy piston installation, and can be used parallel or perpendicular to the cylinder block 7 pcs Piston Ring Compressor Set including 1pc Ratchet pliers and 6 pcs Bands For cylinder installation. Package includes: 6x Piston Ring bands, 1x Ratchet pliers, 1x Storage case. Comes with a durable storage case for easy storage and carry