Kreg SML-F150-500 Fine-Thread Pocket-Hole Screws for Hardwood, Zinc-Coated, 1.5"Kreg SML F150 500 Fine Pocket Hole 1 1 2 Inch #2 Square Drive Washer Head Screws (500 ct) work well in 3 4" thick, hardwood material such as oak, maple, hickory, cherry and walnut. For a wide variety of indoor projects with limited exposure to the elements. Provides adequate rust protection. Washer head provides a large amount of surface area on the head of the screw, helping to ensure the strongest possible hold. 500 count Size: 1 1 2" (38 mm) #2