SMALLRIG Camera Top Mounting Cheese Plate for Blackmagic URSA Mini - 1719 SmallRig Top Plate(for URSA Mini) 1719 is a top mounting cheese plate for Blackmagic URSA Mini Camera supplied with arrays of mounting holes in standard 9mm spacing, so that you can attach kinds of accessories to it, such as railblocks, top handles, dovetails etc. Attached to camera top with two 1/4"-20 screws, other 1/4" and 3/8" thread holds for attaching other devices Material: Aluminium Alloy; Solid and sturdy Net Weight: 140g