Acorn SW-MW15BS250 Metal to Wood Screw, 1.5 Slate, Pkg/250Highlights: #9 screws Best for metal to wood applications Self tapping type 17 point Twin lead threads for fast drive time Hi Lo threads for increased hold Bonded EPDM washer 1,000 hour dacro coating 250 per bag Metal To Wood Lgth In=1 1 2 Finish=Slate WARNING: This product can expose you to chemicals including Nickel (Metallic), which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more