Fits: Kyosho Inferno MP777 ST-R MP777 ST-RR FEATURES: These wheel hubs are CNC machined from 7075 aircraft grade aluminum and are Blue Anodized. These hubs will widen your vehicle by 12MM per side. These are also supplied with flanged wheel nuts. INCLUDES: (4) 17MM Wheel Hubs - 12MM longer then standard length (4) 17MM Flanged Wheel Nuts (6) ORings SPECS. Material: 7075 Aircraft Billet Aluminum Weight: 43.84 grams (4 hubs, 4 nuts)