High Quality: Billiard cue straightness checker is made of acrylic, high quality, durable, stable, and perfect for your pool/billiard/snooker shaft/cue checking.Easy to Use: Billiard cue straightness checker is designed to check the straightness of the /shaft (Roll the shaft/ alone and see if there are any wobbles).Perfect Size: Pocket size 6cmx3cmx3cm/2.36inchx1.18inchx1.18inch, allows you to take the Billiard cue straightness checker anywhere.Easy to Carry: The snooker club roller straightness detector checker inspection tool is lightweight and compact in size, easy to carry and use.Multifunction Use: Good accessories for pool cue repair maintenance and care Great gifts for friends, family, lovers, or People who love billiards. Specification: Material: Acrylic Size Chart: 6cmx3cmx3cm/2.36inchx1.18inchx1.18inch Package Includes: 1 Pair Billiard Cue Straightness Checker Note: Please allow slightly errors due to manual measurement and different monitors. Customer satisfaction is our primary concern. If the product is somehow cracked or broken during shipping, please feel free to contact us. We will try our best to give you a satisfactory solution.