Features and Benefits:Changes quickly from internal to external ring applications;Push the button on the knob and rotate to change;Fits internal and external rings, 1/4" to 2" diameter;Professional dipped grips wipe clean easily;Popular tip diameters and styles included;GEARWRENCH offers a broad range of snap and retaining ring pliers in the most common tip sizes. These pliers come in external, internal and convertible styles, with either fixed or replaceable tips, to meet the varied needs of professional mechanics and industrial technicians. Forge Ahead with the reliable strength of GEARWRENCH tools.