Features: Ensure great cue performances with our billiard cue straightness tester, designed to accurately measure straightness for improved game and training. Features high precisions sensors and a practical designs, this device is easy to operate and suitable for billiard cues of various materials. Perfect for competition preparations, daily practices, club equipment maintenance, and quality checks when purchasing new cues. Great for professional billiard player, trainer, enthusiasts, and also club managers seek precise equipment maintenance. Elevating your billiard experience by ensuring your cues is in top condition with this essential pool accessory. Specifications: Materials: Plastic Color: As The Picture Shows Package Weight: approx.151g Size: approx.6x3cm/2.36x1.18in Package Includes: 2Pcs Billiard Straightness Checker note: Please allow 1-2cm error due to manual measurement. Please make surer you not mind before your bid. Due to the differences between different monitors, the picture may not reflect the actual color to the item. Thanks!