Features: Ergonomic, Curved T Design for Maximum Comfort & Perfomance 3 Unique Socket Sizes on Each End: -10mm (3/8") Socket for Mounting Truck Bolts -13mm (1/2") Socket for Axle Nuts -14mm (9/16") Socket for Kingpins Hollow Centre for Allen Key/ Screwdriver Storage Double Sided, 3mm Allen Key/ Phillips Head Screwdriver Included for Alternative Tightening Methods Freshen up your raw set-up with the Ultimate Ninja Tool from Sushi! With its new, ergonomic design, this revolutionary tool uses the latest technology to make keeping your skateboard nice & tight, easier than ever! Furthermore, the easy to access allen/phillips tool at the centre makes maintaining your ride, less of a chore! Pick up yours today & literally let the good times roll!