1. Durable and easy to install 2. Very convenient and practical 3. Corrosion resistance and oil resistance 4. Can be used to shaft groove of machine 5. Many models which can meet your different demand. Nominal Diameter:1.5-10(mm) Outer Diameter:3.5-20(mm) Size: E-clip, Nominal Diameter 1.5mm, Outer Diameter 3.5mm, 20PCS E-clip, Nominal Diameter 2.0mm, Outer Diameter 5.0mm, 20PCS E-clip, Nominal Diameter 3.0mm, Outer Diameter 6.0mm, 20PCS E-clip, Nominal Diameter 4.0mm, Outer Diameter 8.5mm, 20PCS E-clip, Nominal Diameter 5.0mm, Outer Diameter 9.5mm, 20PCS E-clip, Nominal Diameter 6.0mm, Outer Diameter 11.0mm, 20PCS E-clip, Nominal Diameter 7.0mm, Outer Diameter 13.0mm, 20PCS E-clip, Nominal Diameter 8.0mm, Outer Diameter 15.0mm, 20PCS E-clip, Nominal Diameter 9.0mm, Outer Diameter 17.5mm, 20PCS E-clip, Nominal Diameter 10.0mm, Outer Diameter 2.0mm, 20PCS E-type retaining ring, also called E-type retaining ring, is a kind of fastener, which is installed in the shaft groove of the machine and equipment, and plays the role of preventing the axial movement of the parts on the shaft. Because its shape is like an E-shaped, people are used to call it an E-shaped circlip. color:Silver Material:Stainless steel Package Contents: 200 x Stainless Steel E-Clip 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.