Wimberley P20 OverviewThe Wimberley P20 quick release plate for lenses is made of silky-smooth anodized aluminum, with anti-twist flanges to trace the edges of the lens tripod collar. It fits all the Arca-type quick release adapters, which are made by many different companies such as Acratech, Arca-Swiss, Foba, Graf/Studioball, Gitzo, Novoflex, NPC and (of course) Wimberley.Please check manufacturers website for current head/lens compatibility.Dual Safety StopsThe safety stops at the front & back of the Wimberley P20 plate prohibit your lens from accidentally slipping out of the quick release adapter (easily removed with supplied hex wrench if desired).Double-Dovetail Cross-SectionThe Wimberley double-dovetail design allows attachment of their Shape Shifter flash bracket system to the upper or lower surface of the P20 plate.Works with All Common Flash BracketsDrilled holes accept flash arms from Kirk & Really Right Stuff.