ADJ American DJ BAR210 White Barn Doors for COB Fixtures 100742918 the answer is

the answer is

4 Unbalanced

For use with the Shure Beta57A microphone

Use a wrench to tighten

and Power On/Off

ADJ American DJ BAR210 White Barn Doors for COB Fixtures 100742918 the answer isADJ BAR210 White Barn Doors for COB Fixtures White metal barn doors for COB Cannon Wash Pearl Specifications: Powder coated pearl white Barn door accessory for COB Cannon Wash Pearl Manually adjust barn door flaps to change the direction and area of light 4 leaf clover design, made from durable, lightweight metal Includes 3 screws that attach to the front of the fixture COB Cannon Wash fixture sold separately Open Dimensions: 20" x 20" x . 4"