Lucas [3mm (0.12in)] Used for cutting and excising bone tissue. Designed as a long, thin instrument with a handle at the proximal end and a concave, spoon-shaped and sharp-edged tip at the distal end.Designed to be single or double-ended.For cyst removal and tooth socket debridement. BONE CURETTE HEMINGWAY N.3 BONE CURETTE HEMINGWAY N.3