New 1/4" 3/8" Tripod Screw to Light Umbrella Holder Adapter For Camera Camcorder This adapter make Light Umbrella Holder(A,B,C2 Type...) connect to 1 / 4 "-20 & 3/8" screw Tripod Material:Aluminum Metal Color: Silver Size: 2.7cm x 1.5cm - 1.06inch x 0.59inch