Specification Brand : Wisoqu BulletPoint1 : High adoptability depends on that fixing bracket is manufactured by aluminum alloy material, which is with oxidized surface. BulletPoint2 : And shaft bracket can withstand heavy weight, which is with light weight and high strength in the practical life. BulletPoint3 : More secure to be fixed, exquisite base is practical, which keeps guaranteed quality. BulletPoint4 : Built to strict quality control standards, such kind of hardware tool's design is improved for more adoptability in life. BulletPoint5 : Via craft by many experts, the rail accessory is with strong durability for long time. Color : #211 ExternallyAssignedProductIdentifier : 7635667849230 IncludedComponents : No ItemName : Linear Motion Rail Support, 20 Mm Inner Dia Shaft Vertical Optical Axis Fixing Bracket, Aluminum Alloy Rail Clamping ItemPackageDimensions_Height : 5 centimeters ItemPackageDimensions_Length : 10 centimeters ItemPackageDimensions_Width : 10 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : linear-motion-guides Manufacturer : Wisoqu Material : Metal ModelName : Wisoqudpmukizhby ModelNumber : Wisoqudpmukizhby NumberOfItems : 1 PartNumber : Wisoqudpmukizhby ProductDescription : Specification: Item Type: Fixing bracket Model: SK20 Outer Diameter: Approx. 60mm / 2.4in Inner Diameter: Approx. 20mm / 0.8in Thickness: Approx. 20mm / 0.8in Purpose: General Weight: Approx.0.082 kg / 0.2 lb Lubricant: No lubrication Oil Lubrication Method: Drop oil lubrication Product Size: Approx. 6 x 5 x 2cm / 2.36 x 1.97 x 0.79in