Features: Brand new and high quality These detectors offer easy operation and quick testing. Their lightweight and portable designing allows for handy carrying and use. Ensure the straightness of your pool cue with this set of pool cue straightness detectors. Improve stability and accuracy for precise shot. Perfect for pool enthusiasts, professional player, pool site, and billiard halls. Easy operation and quick testing for handy use. Lightweight and portable for player. Use these detectors to ensure your pool cue's straightness and improve your performances. Adjust your cue precisely before competitions, fine tune during practice, or check quality before buying. Say goodbye to crooked cue and hello to precisions and accuracy with these pool cue straightness detectors. Enhancing your pool playings experience with accurate shot. Necessary tool for serious player. Specifications: Material: Stainlesssteel Color: As The Picture Shows Package Weight: about 165g Size: about 67x26x16mm/2.63x1.02x0.63in (More Sizes Detail, Please See Picture.) Package Includes: 1Pair Billiard Cue Straightness Check note: Please allow 1-2cm error due to manual measurement. Please make sures you not mind before your bid. Due to the differences between different monitors, the picture may not reflect the actual colorful of the item. Thanks!