Tiano Granite Curling Stones are made of carefully chosen granite, which has great mechanical properties in hardness, strength and water absorption.
Each set of granite curling stones (16 rocks) are turned in a precision CNC turning machine with a same program. Surface treatment, balance, test and other processing procedures are added for their good impact resistance, accuracy, appearance and comfort.
Tiano granite curling stone has perimeter as about 92cm; height is about 12cm; weight is less than 20Kg.