Fotga LP150 Quick Release Lens Plate Arca Swiss Compact for Canon, Nikon DSLRs, Black Arca-Swiss design, 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 Wimberley. This LP Series quick release plate for lenses is made of satin black anodized aluminum, with anti-twist flanges to trace the edges of the lens' tripod collar The safety stops of the lens plate prohibit your lens from accidentally slipping out of the quick release adapter(easily removed with supplied hex wrench if desired). Works with All Common Flash Brackets. Drilled holes accept flash arms from Kirk & Really Right Stuff. Dimension (H x L x W) : 11.80MM x 86.55MM x 38.10 mm