*High quality aluminum material *Twist to get the height you want *Twists by 1mm increments in a range of 15~30mm *2pcs 5mm magnetic & stackable height blocks are included to fine tune the height range, 15~30mm *15~25mm for 1/8 buggy at high traction condition *15~30mm for 1/8 buggy at general condition *Easily add or detach blocks *Large laser-engraved scale for easy identification *Compact and lightweight