Kreg SML-C1-500 Coarse Maxi-Loc Pocket Hole Screw, #8 x 1", 500CtHighlights: Size: 1" Head Style: Washer Kreg's most common screw head type is the Maxi Loc which is a washer head screw Coarse thread with a larger diameter that provides greater holding power when driving a screw into soft material such as plywood, particle board, MDF, melamine and pine Count 500. WARNING: This product can expose you to chemicals including Formaldehyde (gas) which is known to the State of California to cause cancer and birth defects