Description The billiards stroke trainer is designed to help players improve their cue action and accuracy. Made from transparent material, it features an internal hole that allows users to see their stroke clearly. This tool is great for both beginners and experienced players looking to refine their technique and enhance their performance on the table. Features -Color:Transparent -Material:Glass and acrylic -Size:7.00X7.00X6.00cm/2.75X2.75X2.36in -Inner hole diameter: 18 mm/ 0.70 in -Precision practicing: helps correct fundamental snooker actions, enhancing your overall skill level -Transparent design: allows you to clearly see the cue tip's movement, promoting precise angle adjustments during practice -Fine materials: made from glass and acrylic, ensuring durability and resistance to damage -Easy to use: simple operation makes it suitable for both beginners and professional players -Multifunctional practicing: ideal for practicing play strength, accuracy, and cue controlPackage list: 1 x billiards cue trainer