Quickly verifies cue alignment competitions or during practice, 3 second operations and 12 14mm diameter compatibility Ensuring precisions with guides accuracy ( error <0.5mm) for cue straightness, enhancing gameplay consistency and reducing deflections during shotings Compacts design fit in cue cases, enabling on the going inspections at competitions, or home tables for peaks assurances Ideal for professional player, club technicians, and home enthusiasts puruses reliability cue maintenance between tournaments or casual game Durability aerospaces grade aluminum alloys construction ( 200g) offering 30% high strength than models, ensuring long terms under frequent use