Y-Shaped multitool to maintain and adjust any rollerskates. Hardware: • 5/16" / 8mm - Socket for Mounting hardware • 1/2" / 13mm - Socket for Wheel nuts • 9/16" / 14mm - Socket for Kingpin nuts • 1/8" Allen key • Phillips Screwdriver All encased in an ergonomic Y-Shaped ABS Tool, making it simple to check, tighten and perform all maintenance on your rollerskates. Change your wheels, tighten or loosen the turning of your skates by adjusting the kingpin and even take your plates off - this multitool can do it all 00