COMPLETE SET: This package includes 10 impact retaining ring clips with O-rings, suitable for both 1/2 inch and 3/8 inch anvils, along with an anvil retaining ring installation tool, enabling easy and efficient setup without additional tools or expertise. UNIVERSAL FIT: Designed for compatibility with Milwaukee electric and pneumatic impact wrenches, these retaining rings also fit a variety of other brands including DeWalt. This versatility makes them ideal for a wide range of professional and home repair tasks. BUILT TO LAST: Made from high-quality materials, these retaining ring clips are engineered to secure tightly and withstand heavy-duty use. The durable construction ensures reliable performance and long service life, even in demanding conditions. USER-FRIENDLY DESIGN: Each pack includes an anvil retaining ring installation tool, making setup simple and convenient. This feature is suitable for both DIY users and professionals, ensuring quick and secure installation. EXTENSIVE COMPATIBILITY: These retaining rings are compatible with Milwaukee wrenches and a broad range of electric and pneumatic impact wrenches from other leading brands, making them a versatile addition to any tool collection. Color: Black Material: Rubber The actual product may have slight color variations due to lighting and display differences, which do not affect functionality. Package Contents: 5 x 1/2 inch Impact Retaining Ring Clip with O-Ring 5 x 3/8 inch Impact Retaining Ring Clip with O-Ring 1 x Installation Tool Note: Light reflection and different displays may cause the color of the item in the picture to vary slightly from the actual product. Measurement may vary by +/- 1-3 cm.