Acorn SW-MW15BN250 Metal Building Screws, #9 x 1-1/2", Brown"Acorn" Metal Building Screws #9 Gauge 1 4" H Hex type head with Hi Lo type thread Brown Type 17 extra sharp point increases penetration of the metal virtually eliminating the tip of the screw walking across the metal 1 2" neoprene sealing washer provides a moisture resistant barrier when properly installed. Plated with top quality dacromate for corrosion resistance Metal building screws lgth 1 1 2 inches Count=250 WARNING: This product can expose you