Delivery of aluminium expansion block with plastic backing sheets for U channel clamping glass

and end mill for CNC cutting and routing machine.

THIS product is used for aluminium U channel for clamping glass ,mainly for handrail purpose.

we also have many other shape of U channels for choice
with or without cover panel, if used onground, please chose cover panel. for underground use, mill finish is ok.
installed on the wall or edge of ground.