Price history on Walmart.com for
National Nail 297198/281198 Dual Drive Deck Screw 3-1/2 Each
See on WalmartProduct info
Highlights: Length: 3-1/2 Gauge: 10 Count Per Lb: 55 Passes 1000 Hours in Salt Spray Testing Combo Drive Grey Coating 1000 Hour Tested Used as rust resistance Combo drive coarse thread bugle head & sharp point Use for exterior deck and railing projects where rust resistance is important WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
... read more.