These retaining rings are used to hold sockets or other attachments onto of an impact wrench. They are made from iron and rubber, not easy to break, can withstand the high torque and impact forces generated by an impact wrench. Use them to upgrade your hand tools! Features -Color: As shown -Material:Iron, rubber -Size:1.34X1.34X0.20cm/0.53X0.53X0.08in -Size:1.10X1.10X0.20cm/0.43X0.43X0.08in - Securely fix: These retaining rings are designed to securely fix sockets with the combination of iron and rubber that provides a strong and durable grip. - Sturdy construction: The iron and rubber construction of these retainer rings ensures that they are sturdy and long-lasting, can withstand the rigors of regular use. - Simple installation: These are easy to install and use. They can be simply slipped onto the square drive of the impact wrench. - Precise workmanship: These wrench rings are crafted with precise workmanship to ensure that they fit snugly and securely, preventing slippage or other issues. - Sufficient quantity: These wrench socket rings provide enough replacements for you to meet your needs, so your work can be done efficiently and effectively. Package list: 12 x iron rings 12 x rubber rings