NEEWER 8 Pieces Anodized Aluminum Step-up Adapter Ring Set 0724-2025 1 x Dual Channel USB

1 x Dual Channel USB Charger

double tube

EASY TO INSTALL: The shorter plate is installed on the bottom and with the standard slot of Swiss-Arca 38-39mm

Materials: Silicone

you can control all of the lights on any channel and get diverse effects for all types of shooting

NEEWER 8 Pieces Anodized Aluminum Step-up Adapter Ring Set 0724-2025 1 x Dual Channel USBFeatures Neewer Step up Filter Adapter Ring Set can easily screw onto the front of any lens, and convert the thread size of your lens to the thread size of any other accessory (such as filters, hoods, flashes, and lens converters). The Step up Ring Set includes: (1)49 52mm step up ring + (1)52 55mm step up ring + (1)55 58mm step up ring + (1)58 62mm step up ring + (1)62 67mm step up ring + (1)67 72mm step up ring + (1)72 77mm step up ring + (1)77 82mm