The Park Tool RP-4 1.7mm Snap Ring Pliers are professional quality ring pliers made from forged, heat-treated cro-moly steel with a return spring and vinyl dipped grips. The RP-4 has 1.7mm tips on bent nose blades for larger, internal snap rings. The tips open from 21mm down to 2mm (center to center).    Park Tool RP-4 1.7mm Snap Ring Pliers Features  A bespoke pair of snap ring or circlip pliers designed to work with the fittings found on suspension and hydraulic systems Forged for strength and durability and then dipped in Park blue vinyl for comfort and grip 1.7 mm bent internal size