Mushroom-shaped cutting blade, for cutting silicone and soft glazing compound as well as separation of insulating glass units. Qty 5 Mount SL Fits: AFSC 18 QCSL (AFSC 18 QCSL), AFSC 18 QSL (AFSC 18 QSL), FSC 500 QSL (FSC 500 QSL), FEIN cordless MultiTalent QuickStart (AFMT 12 QSL), FEIN MultiMaster Cordless (AFMM 18 QSL), FEIN MultiMaster Top (FMM 350 QSL), FEIN MultiMaster Start Q (FMM 350 QSL), FEIN MultiMaster QuickStart (FMM 350 QSL), FEIN MultiTalent Start Q (FMT 250 QSL), FEIN Professional-Set Wood (FSC 500 QSL), AFSC 18 QSL - Wood (AFSC 18 QSL), FEIN Professional-Set Caulking (FSC 500 QSL)