-This kit needs 4 1/4-20 Socket head cap screws with .75 in length. -The kit mounts to a wall with command strips, 3-4 of them applied vertically to the flat side of the wall mount. id put 3 at the top and 1 at the bottom. -This kit was modeled for a backfire mini with 86 mm wheels. however it does work with other esk8 boards and regular skateboards and longboards.