Deck Plus 48409 Wood Screws #10 x 4", Green, 1lb Box Deck Plus Green Deck Screws were designed to provide superior weather protection all while coordinating with your decking finish. Engineered using star drive technology, these screws are twice as durable as a Philips drive and prevent stripping. The green ceramic coating provides superior rust and corrosion resistance with 4 layers of protection - a zinc layer, a chemical adhesion layer, an epoxy coating, and a durable protective finish. Recommended for use with treated lumber. Features SELF-DRILLING POINT: Together, coarse screw threads and a self-drilling point design eliminate the need for a pilot hole FLAT-HEAD STYLE: Sits flush with material GREEN CERAMIC COATING: 4-layer coating provides superior rust and corrosion protection STAR DRIVE STYLE: Also known as Torx, this drive is designed to reduce slippage and camout when tightening the screw FREE T25 STAR BIT: Free driver bit included in package to match screws and take the guesswork out of installation SAFE FOR TREATED LUMBER: Recommended for use with ACQ, CA, and CCA treated lumber USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.