Powerpro, 68 Count, 10-24 x 1-7/16", Waffle Head & Winged Self Drilling Wood To Metal Screw, Star Drive & Pro-Stick Bit Prevent Cam-Out & Increase Stability While Driving, Self-Drilling Tip Means No Pre-Drilling, Quickly Penetrates Metal Up To 1/8", 11 Gauge.
