Features:Made of aluminum Mg alloy material for durability Integrated design, high quality and good appearance Light weight, does not affect skateboard 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 alloyColor: BlackSize: as the picture showsWeight: 677 g / 23.9 oz(approx.)Package list:2 x Skateboard Bracket Note: 1. 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 skateboard are 4.2cm and 6.4cm 2. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering..