4 Pieces Set Includes: (1)... Lucas 85 R/L Curette, medium 2.5mm spoon shaped blades. Large Round handle for firm control, easy rotation and manoeuvring in difficult area. (2)... Lucas 86 R/L Curette, medium 2.8mm spoon shaped blades. Large round handle for firm control, easy rotation and manoeuvring in difficult area. (3)... Lucas 87 R/L Curette, large 3.5mm spoon shaped blades. Large round handle for firm control, easy rotation and manoeuvring in difficult area. (4)... Lucas 88 R/L Curette, large 4.0mm spoon shaped blades. Large round handle for firm control, easy rotation and manoeuvring in difficult area. Lucas Surgical Curettes are designed for curettage, cyst removal and tooth socket debridement. SUPERIOR INSTRUMENTS surgical curettes are manufactured from stainless steel to exacting specifications to ensure optimal surgical performance and longevity