Item Type: Pool Cues Tip Sleeve Material: Aluminium Alloy Product Size: Approx. Length 70mm / 2.8in, Diameter 23mm / 0.9in Function: 1. Molding 2. Grinding and polishing 3. Piercing the cues tip 4. Cues protection sleeve Package List 1 x Pool Cues Tip Sleeve 14 in 1 multi function, the billiard pool repair kit has the functions of filing, frosting,piercing the cues tip and protecting the cues connector. 2Billiard cues tip tool can pierce some small holes on the surfaces of the tip of the club to increase the adsorption capacity of chalk powder in order to increase the friction between the tip and the ball. 3This billiard repair kit can continuously pierce the appearance of the billiard, so that the contact appearance will become rough, so that the players can play their skills more stably. 4Used as 3/811 joint protector (male and female), the inner teeth are used to protect the copper connector of the club to prevent thread damage and dirt from entering. 5Whether you are rookies or experienced billiards veterans, 4 in 1 multi functional frosted needle punching is an ideal choice, which can help you enhance your billiard game experience.