Our Lens Plates attach with 1/4"-20 captive screws. This screw is used for lenses that may require more screws than are included in our products packaging. Also purchase if you need to replace a lost or damaged screw.
Wimberley lens plates attach with 1/4"-20 screws specially machined to fit thecenter slots in the plates. If your lens requires more screws than are included,you may purchase extras. (Note: not compatible with the P-5 Camera Body Plate.)