Screws for polycarbonate panels, 2", bag of 39

Galvanized steel Reamer screw for polycarbonate and PVC with neoprene-bonded 1'' washer. 
¼’’ hex head. 
To use with a wood structure and 10 or 16 mm Multiwall panels or Corrugated PVC panels.
Approx. 39 screws per bag.