These are LongShot's VIPER style Thread Protectors, designed for aggressive, up close and confrontational self-defense. Can also be used as a glass breaker. Purposefully made not to be sharp to the touch, but pointed and sharp enough to cause considerable damage when necessary. These 8-pronged VIPER-style thread protectors measure .740" OD x .63" overall length

Specifications and Features:
LongShot Viper Barrel Thread Protector
1/2-28
Polished Brass

Note: This product is new and being closed out; sold "As Is" and is not returnable to Cheaper Than Dirt. Please contact the manufacturer for warranty and assistance.