The Custom Brackets Flash Plate for Metz Flash 50/70/76MZ (FM) is for Metz 50mz/70mz/76mz series handle mount flashes. Metz-50mz (barrel type), 70mz (barrel type), QRS, QRS-35-H, QRS-H2 must be modified to use these flashes. For Digital PRO-M, Digital PRO, QRS-H2, QRS-E2, QRS-2 brackets only.