INFUNLY 3 Pair Stick Joint Protector, 5/16 X 18 Pool Joint Thread Cap Black Pool Cue Joint Protectors Plastic for Players Pool Billiard Cues

FUNCTION: Joint protectors will protect your Joint pin from damage, Install different interfaces separately, protect your cue's joint collar and joint pin from chips. Good gift!, SUPER DURABLE: Joint protectors are made of black plastic, the surface is smooth and won't come loose, which can better protect your beloved equipment!, 3 PAIR, ENOUGH ACCESSORIES: 1 male and 1 female joint protectors will be 1 Pair, our pool cue stick joint protectors set inclue 3 pair, buy it all at once and never worry about not having enough accessories again!, Size: 5/16 x 18, approx 56mm/2.2 inch length, please confirm the size carefully before buying！, WIDE USE: Joint protectors can be used for protecting the billiard pool cue adn extend the service life of it!