1、Made of aluminum magnesium alloy material for durability 2、Integrated design, high quality and good appearance 3、Light weight, does not affect skate-board speed. 4、Purpose: aluminum alloy bracket mounted on the bottom of the skateboard. 5、Perfect tool for outdoor sports skateboarding, enjoy the happy sport time Features: Made of aluminum alloy material for durability Integrated layout, high quality and good appearance Light weight, does not affect skate-board speed. Purpose: aluminum alloy bracket mounted on the bottom of the skateboard. Perfect tool for outdoor sports skateboarding, enjoy the happy sport time Specification: Material: aluminum alloy Color: white Size: as the picture showsNet Weight: Approx. 328 g / 11.6 ozPackage list: 2 x Skate-board Bracket Note: The size of this bracket is international standard. If the buyer don't rest assured, can measure whether the spacing of four bolt holes on the skate-board are 4.2cm and 6.4cm