SUNWAYFOTO LF-N2 Lens Mounting / Replacement Foot for Nikon Lenses Arca Compatible Sunway SUNWAYFOTO brand Arca-Swiss compatible Converts the Lens foot to an Arca-Swiss compatible QR plate. All metal construction Dovetail Length: 113mm. Includes two 1/4" female mounts, 4 hex head mounting screws, 2 x 3mm safety stop screws and one 2.5mm allen wrench.