Pro-Line 1:10 Closed Cell Inserts for 2.2" Buggy Rear Tires These are Pro-Line 1:10 Scale Closed Cell Rear Inserts. Choosing the right insert for the right condition can be the difference between winning, losing or just plain having bragging rights over a competitor on the track. Pro-Line now offers an aftermarket insert for your 1:10 scale buggy. These inserts are perfect for enthusiasts to use on those tracks that desire a firmer and longer lasting insert set-up.Features and Specifications:? Closed Cell Technology? No Air Gaps Between Tires Like Other Brands? Perfectly Balanced? 100% Water Safe? Reusable and Extremely Durable? Light Weight? For Use On Tracks That Desire a Firmer Insert? Includes 1 Pair Closed Cell Foam Inserts for 1:10 Scale 2.2" Buggy Rear Tires