From Revolution Design Racing Products:
The Revolution Design Racing Products Ultra Tire Glue Tips come in handy when gluing your favorite on-road or off-road tires. Ultra flexible and of a universal design the tips fit a wide range of CA glue bottles, including our own Ultra Tire Glue, and they make tire gluing and sidewall prepping a breeze. The tips come in packs of 20 so you always have some in spare. Some trimming of the bottle neck may be required.