Handi-Man Marine Self-Tapping Oval Head Screws are ideal for use on the boat or dock. These Handi-Man Marine grade self-tapping screws are made of stainless steel to resist rust and corrosion around water, moisture, and saltwater. No pre-drilling is needed. Handi-Man Marine Self-Tapping Oval Head Screws are for use with a Phillips head screwdriver. 4 per pack. Available: #8 x 3/4, #10 x 1, #12 x 1. Cancer and Reproductive Harm- www.P65Warnings.ca.gov.