Made of steel with black oxide finish that resists rust and corrosion. Easily converts for either external or internal use on snap rings. Push-button feature allows for effortless change of ring, hex shape locking guides, spring loaded, broached jaws for tip control and stability, ergonomic anti-slip air pocket grips for comfort. Use pliers on most internal snap-rings 3/8 through 2 in (9.5 through 50.8 mm) and external snap rings 1/4 through 2 in (6.4 through 50.8 mm). Includes five pairs of color-coded tips in sizes 0.036, 0.047 straight and 90 deg and 0.070 straight. Hex stock size of tips 0.092 in.