SRP-10S Heavy-Duty Ratcheting Snap Ring Pliers Set, 10 PiecesHeavy duty pliers for use on large, high tension retaining rings Spring loaded ratcheting mechanism reduces operator fatigue and enhances safety Rings can be compressed or expanded in stages and locked in place Heat treated high carbon steel pliers with Chrome Molybdenum tips No. of Pieces: 10 Manufacturer Part Number: 730355 External Capacity: 1 1 2 3 3 4 Internal Capacity: 2 7 16 4 Includes: (1) External Plier; (1) Internal Plier; (16) Chrome