basically it's a baseplate
gotta say the anti-twist they designed was good I also attached some rods
This multi-purpose mounting cheese plate allows you to add various accessories and devices to your camera rig. You can attach accessories to it--for example, you can have a matte box in the front side(need rods and rod block). 2x1/4'' screws prevent your camera from twisting. It is ideal for professional or amateur cameraman/filmmaker.
Dimension: 63*27*10(mm)
Material: Aluminum Alloy
Includes:
1x cheese plate
1x 1/4'' screw
1x hex spanner
Net Weight: 39g
gotta say the anti-twist they designed was good I also attached some rods