This jewelry wax carving kit is designed for hand carving ring models. The kit includes six blue wax tubes: T-100 (16/26mm), T-150 (16/24mm), T-200 (15/31mm), T-250 (16/28mm) T-shaped tubes, and T-1062E round tube (27mm dia),T-1062 rouund tube (27mm dia). All tubes are 140mm in length, made from high-quality paraffin wax with a smooth, bubble-free surface for clean carving. Also included is a stainless steel wax ring sizer and expander to adjust inner diameters from 12.5mm to 21.5mm. This product is intended for hand carving only. No heating, melting, or flame is required for normal use. Store at room temperature away from direct heat. Ideal for jewelry professionals, custom designers, DIY makers, apprentices, and craftsmen.