Cool-Lux LuxGear Follow Focus Gear Ring (84 to 85.9mm) Mount & Foam Boards The ProtoSnap series is a

The ProtoSnap series is a new way to prototype your project without a breadboard

The frame size is 48 x 48" and the window size is 22 x 22"

Machine Washable

1 x attack knob

Talk about bang-for-the-buck

Cool-Lux LuxGear Follow Focus Gear Ring (84 to 85.9mm) Mount & Foam Boards The ProtoSnap series is aRemovable Cine Style Lens Gear Ring For Lenses with a 84 to 85. 9mm Diameter Slide On Mounting, Compression Fit No Dead Spots or Rotation Stops The LuxGear Follow Focus Gear Ring from Cool Lux is a seamless lens gear for lenses with a focus barrel diameter of 84 to 85. 9mm. It features standard 0. 8 mod 32 pitch geared teeth that makes it compatible with cine style follow focus systems. The gear slides onto your focus ring from the front or back of