Astro 9421 Multi-Angle Internal/External Snap Ring Pliers Engineered for professional use, tips made from heavy-duty C45 Tool Steel Quickly change out tips or from internal to external use Three interchangeable sizes of 270 degree adjustable and locking tips Tool and tips both feature machined teeth to prevent movement once angle is set Firm and positive internal to external adjustment Engineered for professional use, tips made from heavy-duty C45 Tool Steel Quickly change out tips or from internal to external use Three interchangeable sizes of 270 degree adjustable and locking tips Tool and tips both feature machined teeth to prevent movement once angle is set Firm and positive internal to external adjustment Tip Sizes: 2.3mm, 1.7mm, 0.9mm