System series Swear light hanging hook. This is a useful accessories when using it without using a hand grip. By fixing the accessory fixing plate with the attached bolt, it can be suspended in a compact state in BC via a carabiner or the like.
System01/02: RE Series (BM3521S, BM6721L) cannot be used.
Compatible products: System 01, 02, 03, 01-SB, O2-SB
(Standard battery: BM3100G, BM3400B, BM3500B / Large -capacity battery: BM6200G, BM6700B) < / P>