Vehicle tube clamping clips from the cable fastener range of products at Arc Components Limited. Black nylon chassis clips for plugging into holes in the vehicle chassis to support split or unsplit tubing or to retain loose electric cables. Once mounted on the vehicle, the tubing is placed into the holder and is securely held in place by the locking clip action. To help work out the tube clip size required, the clips are identified by nominal width NW: Nominal width.