To fit Pride angle adjustable foot plates onto Karma manual elevating leg rests - for each side order 1 x KMLTM (or KMLT180) L-tube, 1 x DWR1000C164 angle adjustable mounting block, 1 x DWR1000D080 6" x 8" footplate. The angle adjustable mounting block needs a 1/4" UNC tapped hole in to fit a grub screw to hold it onto the Karma L-tube.