EXCELLENT QUALITY GERMAN STEEL ( GUARANTEED MONEY BACK ) NO CAMPROMISE IN QUALITY NEW GERMAN GRADE Sinus Lift Osteotomes Kit Straight Off Set Concave Mead Mallet Cassette Dental Set of 12pcs Sinus Lift Instruments, Dental Implant Instruments. Deal Includes: - 5pcs Sinus Lift Osteotomes Straight (Concave / Convex) - 5pcs Sinus Lift Osteotomes Off Set (Concave / Convex) - 1pc Solid Stainless Steel Bone Mead Mallet - 1pc Stainless Steel Instrument Sterilization Cassette Sizes: 2.8mm, 3.2mm, 3.8mm, 4.5mm & 5.0mm Depth Markings: 8mm, 10mm, 13mm, 15mm, 17mm & 20mm Color Coded Instruments for identification.