The kit includes: - 1 sliding base in steel with black epoxy powdercoat. The hole pattern of the navigator follows the AMPS standard (30 x 38 mm) - 2 stainless steel M6 screws - 2 Ergal tube brackets of different sizes:12 to 18 mm (Black colour) / for tubes from mm 14 to 25 mm (Silver colour) - 4 rubber washers to fix the GPS to the sliding base.