Description
Xtra Seal 12-213 5/16" Mushroom Vulcanizing Inserts provide permanent injury sealing for radial and bias-ply tires. Designed to be installed using the Xtra Seal 12-241 insert gun with chemical vulcanizing cement, these mushroom plugs vulcanize directly to the tire rubber, filling the injury channel completely. Includes 25 inserts per box.
Features
- Fits 5/16" puncture injuries in passenger, truck, radial, and bias tires.
- Vulcanizes chemically or with heat to become a permanent part of the tire.
- Designed for easy installation using the Xtra Seal 12-241 mushroom plug gun.
- Completely seals puncture channel to protect steel belts from moisture corrosion.
- Includes 25 mushroom vulcanizing inserts for professional tire repair shops.
WARNING: This product can expose you to chemicals, which is known to the State of California to cause cancer and reproductive harm. For more information, go to www.P65Warnings.ca.gov.

