This is a pair of optional Pro-Line Black Split Six Wheels for the Traxxas Slash, Ofna SCRT10 and HPI Blitz. FEATURES: Fits rear of 2WD Slash front and rear of Slash 4x4 front and rear of Ofna SCRT10 and front and rear of HPI Blitz Lightweight one piece design with simulated bead-loc ring Same track width as stock wheel High strength, DuPont nylon material INCLUDES: Two Pro-Line Black Split Six Wheels REQUIRES: Dual profile tires and foam inserts SPECS: Outer Diameter: 2.2" (56mm) Inner Diameter: 3.0" (76mm) Width: 1.6" (41.5mm) Hex size: 0.47" (12mm) jxs 02/23/10 ir/jxs