Designed for NCV3 (2006-present) Sprinters with factory roof rails, these anchors kits include laser cut aluminum nuts that drop anywhere into the rail and lock into place by tightening the stainless steel eye bolt, so there’s no need to remove your roof rack, solar panels, or other existing hardware. All-stainless and aluminum hardware won’t rust, and provide a secure, permanent mounting point for your MoonShade. Includes 2. Product Specs Materials Stainless steel + laser cut aluminum. Trapezoidal Nut 1.5inL x 0.56inW x 0.19inH Ring Bolt Length 1.625in L Ring Bolt Inner Diameter 0.625in Weight 2.7oz (78g)