This LMB-6 Matte Box Pro Set from ARRI is a complete 6.6 x 6.6" lightweight matte box kit including the LMB-6 matte box, one 3-filter stage, one 2-filter stage, three 6.6 x 6.6" filter trays, one top/bottom flag, a set of five mattes, and a set of nine lens clamp adapters. A 3/8"-16 accessory shoe and a pair of flag holders round out the set.