Product Manufacturing Process and Materials: High density aluminum alloy, Lighter Weight, Higher Strength. The contour of the product is made by the latest CNC machine in Germany, which makes the product more accurate. Higher requirements for environmentally friendly anodizing process to minimize manufacturing pollution. Minimalist packaging to reduce carbon emissions. Product Adaptation: Maximum installation distance of 38mm screw spacing; Compatible with most for Garmin GPS. Item Included: Aluminum alloy mount x1 ; Extra plastic base replacement Kit ( plastic base x 1; stainless steel screw x2; hexagonal wrench x1 ); Mounting screw kit x 1; Action cameras base x 1. Item Size: 3.15 x 1.93 x 0.24 in; 8 x 4.9 x 0.6 cm. Weight: 0.08 lb; 1.22 oz; 34.5 g.