Easy to Use: Magnetic chalk storage box is convenient for chalk to carry around, easy for players to take chalk at any time. Scope of Applicaiton: This magnetic billiard chalk holder is generally used to store round, octagonal and square chalk powder. Premium Aluminum Material: Cue chalk holder clip is made of 6063 aluminum, wear resistant and drop resistant, durable. Compact and : The cue chalk holder clip is small and , easy to carry and store, will not increase your burden. Good Workmanship: Exquisite workmanship, beautiful appearance design, portable size, providing you great using experience. Colour:black Material:aluminum alloy Size: 32 x 30mm Package Contents: 1 x Billiard Chalk Case Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.