Description This replacement wrench ring set is made of premium material, which can withstand long-lasting use. Features the iron and rubber material, which has high durability, not easy to deform. Fine workmanship, practicality. This replacement wrench ring set will allow your wrench to work smoother. Features -Color: As shown -Material:Iron, rubber -Size:1.34X1.34X0.20cm,1.10X1.10X0.20cm/0.53X0.53X0.08in,0.43X0.43X0.08in - Rubber ring is used for supporting the retaining ring, rubber ring and retainer ring will worn over usages. - When retaining ring is worn out, the socket sleeve will not fit tightly to your wrench. - This wrench ring kit fits most electric and air wrenches with 12.5mm square drive. - Scientific design, high strength, high hardness, and excellent durability, it will easily meet your needs. - Exquisite workmanship, reasonable structure, professional and practical, can bring you convenience. Rubber ring is used for supporting the retaining ring, rubber ring and retainer ring will worn over usages. When retaining ring is worn out, the socket sleeve will not fit tightly to your wrench. This wrench ring kit fits most electric and air wrenches with 12.5mm square drive. Scientific design, high strength, high hardness, and excellent durability, it will easily meet your needs. Exquisite workmanship, reasonable structure, professional and practical, can bring you convenience.