This is the DE Racing pair of Buggy Tire Spikes, Yellow 2pcs.
The DE Racing Tire Spike is available in both 1/8 scale buggy and truggy lengths; this quick and easy to use tool lets you organize and ID your tires by tread and compound. No more fumbling or guesswork regarding tire sets, lost tires, or extra hardware. You'll wonder how you ever raced without the DE Racing Tire Spikes.
Available in Black, Blue, Green, Red and Yellow.