Features Strong durability of such rail accessory has the ability to keep its high performance for long time. And shaft bracket can withstand heavy weight, which is with lightweight and high strength in the practical life. More secure to be fixed, exquisite base is practical, which keeps guaranteed quality. Fastener is manufactured by aluminum alloy material with oxidized surface for high adoptability. Simply installed, such light and practical fastener is made via exquisite craftsmanship. Feature: 1. Strong durability of such rail accessory has the ability to keep its high performance for long time. 2. And shaft bracket can withstand heavy weight, which is with lightweight and high strength in the practical life. 3. More secure to be fixed, exquisite base is practical, which keeps guaranteed quality. 4. Fastener is manufactured by aluminum alloy material with oxidized surface for high adoptability. 5. Simply installed, such light and practical fastener is made via exquisite craftsmanship. Specification: Item Type: Fixing bracket Model: SK10 Outer Diameter: Approx. 42mm / 1.7in Inner Diameter: Approx. 10mm / 0.4in Thickness: Approx. 14mm / 0.6in Purpose: General Weight: Approx.0.024 kg / 0.1lb Lubricant: No lubrication Oil Lubrication Method: Drop oil lubrication Product Size: Approx. 4.2 x 3.4 x 1.4cm / 1.65 x 1.34 x 0.55in Package List: 4 x Fixing Bracket SK10 Package List 4 x Fixing Bracket SK10