Perfect for cue maintenance, this straightness calibrator tool helps identify any imperfections in your billiard stick. Its user-friendly design allows quick and efficient testing, while the sturdy materials allow long-lasting performance. Whether at home or in a club, this tool supports consistent cue care and improved game precision. Features -Color:Transparent -Material:Acrylic -Size:7.00X3.00X2.50cm/2.75X1.18X0.98in -Precision engineering: this cue straightness checker delivers accurate measurements of cue straightness and concentricity, allowing optimal performance and consistency -Universal compatibility: works with snooker and nineball cues, making the billiard cue straightness checker a versatile tool for players of all skill levels - testing: innovative design pool cue stick tester allows for fast and cue inspections, enhancing practice routines and game preparation -Compact and portable: small and lightweight, perfect for carrying to clubs, tournaments, or using at home, allowing convenience and accessibility -Reliable sensor technology: sensors provide stable and precise readings, helping players maintain cue integrity and lifespan Package list: 2 cue stick testers