This billiard cue straightness inspection tool is designed to allow optimal performance for your pool or snooker game. Featuring a roller mechanism, it allows precise detection of cue straightness and alignment. Its sleek design and firm construction make it a reliable accessory for maintaining cue quality and enhancing gameplay. Features -Color:Transparent -Material:Acrylic -Size:7.00X3.00X2.50cm/2.75X1.18X0.98in -Precise measurement: this straightening calibrator tool can effortlessly inspect cue straightness and concentricity for accurate shots, allowing improved performance during games and practice sessions -Versatile compatibility: the pool billiard cue straightness checker is designed for snooker and nineball cues, catering to diverse billiard enthusiasts and professional players alike -Innovative ferris wheel design: this cue tip repair tool simplifies operation with a userfriendly mechanism, enabling quick and professionalgrade cue assessments anytime, anywhere -Portable and compact: lightweight and easy to carry, perfect for use at home, clubs, or tournaments, adding a touch of technology to your billiard experience -High precision sensors: provides reliable and stable measurements over time, helping players maintain cue condition and lifespan effectively Package list: 2 cue stick testers