We are the manufacturers of corrugated fastener/joint pins/wood joiners used in plywood flush doors, wooden roof trusses, wooden frames, wooden caskets, carrom boards, etc. These are available in different sizes 3/8", 1/2", 5/8", 3/4" in bulk production. Very high quality hard and sharp to easily pierce into wood. 5okgs carton or 50kgs gunny bag again 1kg packs inside.