Features: Efficient electric polishing, precise repair of billiard club head. Portables, easy to operate, multifunctional accessories. Suitable for various types of head to enhances the hitting effect. Billiards enthusiasts, professional player, club operators, and maintenance personnel. Family entertainment room, billiards club, competition venues, and professional training ground. Specifications: Color:Two Elections Dimension:9mm/0.35in 11.5mm/0.45in Component:Plastomer Package Includes: 1Set Billiard Cue Tip Grinder note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.