Signature Series® Cassette complete with 7 Luxating Hybrids and a ceramic sharpening stone. Luxating Hybrids are a unique cross between periotomes and luxating elevators. These instruments are used apically within the periodontal ligament space to cut periodontal ligaments prior to extraction. Luxating Hybrid Kit Includes: Small Signature Series® 8 Instrument Cassette (red) (IM5080) Cylindrical Ceramic Sharpening Stone with fine grit (SSKC) Straight Spade (EPTSSP) Small Straight (EPTSMS) Small Curved (EPTSMC) Large Distal (EPTLGD) Large Mesial (EPTLGM) Small Distal (EPTSMD) Small Mesial (EPTSMM)