Arca-Swiss Style Lever-Release Clamp 40mm (QRC-40L) for Upper Rail of NN3 MK3, NN6 or the Ultimate M series.
QRC-40L (Quick Release Clamp w/ Lever) is our new lever release clamp Nodal Ninja M Series
Michael F 2022-03-03 This is a *great* product.....well-made and well-though through. It makes installing and removing the camera from the pano head a breeze. This is especially helpful when wearing gloves.