#10 x 3" Simpson Strong-Tie Quik Drive DSV Collated Wood Screws, Quik Guard Coating, Tan, Pkg 500Strong Tie Quik Drive DSV wood screws feature a Quik Guard Coating that's designed for exterior wood to wood applications using preservative treated decking. The under head nibs and fast start tip make the DSV ideally suited to be driven and countersunk into preservative treated wood deck boards. The shank is designed to withstand the swelling and shrinkage that is common with fast growth lumber. HCKDSVT3S includes (1) T25 driver bit (model BITX25).