Suriel 25x25x14mm Aluminium Billiards Tool Double Sided Cube Shaper Scuffer Pool Cue Tip Material: Aluminium Diameter: 20mm; Total Size: 25x25x14mm Scuff side to to scuff cue tip to help hold chalk better Lightweight and small enough to fit in pocket or on your key chain Package Included: 1x Double Sided Cue Tip Shaper