This Arca-Swiss quick release plate has two 1/4"-20 camera screws, with one screw adjustable. The distance between the two screws can be adjusted from 27mm to 40mm.
Also compatible with the many other Arca-type quick release systems, e.g. Acratech, Foba, Graff, Wimberley, etc.
Quick Release Plate with Two 1/4" Screws - for Canon Telephoto Lenses