Acorn SW-MW2LS250 Metal Building Screw 2", Light StoneHighlights: Metal to wood Length: 2" Color: Light Stone 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. 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 information, go to www.