Features 1、Shaft bracket with strong durability enables to keep high performance for a long time. 2、Withstand heavy weight, light weight and high strength rail accessory can be used easily in the practical life. 3、Practical, exquisite base with guaranteed quality is able to keep fixed more securely. 4、Made of aluminum alloy via precision craft by many experts, the fixing bracket has oxidized surface. 5、There is no requirement to particularly complicated operations, this hardware tool can be installed in simple way. Specification Item Type: Fixing bracket Model: SK12 Outer Diameter: Approx. 42mm / 1.7in Inner Diameter: Approx. 12mm / 0.5in Thickness: Approx. 14mm / 0.6in Purpose: General Individual Weight: Approx.0.03 kg / 0.1 lb Lubricant: No lubrication Oil Lubrication Method: Drop oil lubrication Package List 4 x Fixing Bracket SK12