The Pro Scale® Aluminum Wheel System gives you maximum flexibility to create custom wheels for your Maxx Slash® and Unlimited Desert Racer®. These wheel centers are made from ultra-tough 6061-T6 aluminum and beautifully anodized in eye-catching color. Pro Scale aluminum wheels are fully customizable with a complete line of beadlock rings and wheel washers to complete the look. Wheel centers include 2.5 x 10 mm screws (12).