Specification Brand : uxcell BulletPoint1 : Inner Dia. :49mm/2.12";Thickness (t):2mm/0.08" BulletPoint2 : Hole Dia.:3.2mm/0.12";Opening width:16.6mm/0.65";Material:304 Stainless Steel; Outer Dia. :56mm/2.2" BulletPoint3 : All products are made of durable metal, durable and practical. BulletPoint4 : External circlip use for bearings, gears, pulleys etc. BulletPoint5 : Stainless Steel is Superior to Regular Steel and Provides Excellent Rust Resistance in Water Applications, Suitable for Indoor and Outdoor Use. Color : Silver GpsrSafetyAttestation : 1 ItemName : uxcell 56mm External Circlip C-Clip Retaining Snap Rings 304 Stainless Steel 10pcs ItemPackageDimensions_Height : 14.1 centimeters ItemPackageDimensions_Length : 1.4 centimeters ItemPackageDimensions_Width : 9.5 centimeters ItemPackageQuantity : 10 ItemTypeKeyword : external-retaining-rings Manufacturer : uxcell Material : 304 Stainless Steel ModelNumber : a18102400ux0090 NumberOfItems : 210 PartNumber : a18102400ux0090 ProductDescription : Description: It is made of 304 Stainless Steel, providing the good resistance to corrosion and high temperature, which ensure the long useful life. Installed in the hole, used as fixed axial movement of parts, the ring diameter slightly larger than the diameter of the outer diameter of the fitting hole. When you install, must use snap ring pliers, insert the pliers tip into the clip hole of the circlip,clip tightly the circlip,then can be placed in the slot of the machined hole has been done previously.