[] Compatible with for 1/2Inch standard electric/pneumatic impact wrenches (not for or others), ideal for friction ring replacement on socket sleeves. [10-Pack Value Kit] Includes 10 heavy-duty 1/2Inch retaining rings + O-rings + 1 anvil installation tool, designed for long-term use without frequent reordering. [Multi-Scenario Use] Perfect for auto repair, industrial maintenance, or construction sites. Keep sockets firmly locked during heavy-duty impacts for , efficient work. [30-Second Installation] Insert the ring into the tool slot, tilt the anvil at 45, push perpendicularly-no expertise needed. Minimize downtime instantly. Please note: There may be slight color difference or discrepancy in the actual product, which does not affect the use, please don't mind, thank you! Colour:As Shown Material:Metal Package Contents: 10 * 1/2Inch retaining rings with O-Ring + Anvil Install Tool Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.