Armstrong Flooring Luxe w Rigid Core Soho Gray 6 in Wide x 8 mm Thick Waterproof Interlocking Luxury Vinyl Plank Flooring (27.39 sq ft) SPC Vinyl Plank 50 mm coarse thread pitch 1267362838 50 mm coarse thread pitch These zinc plated hex bolts bring a refined below grade For Use Over Concrete Yes For Use Over Wood Yes For Use Over Tile Yes For Use Over Vinyl Yes Phthalate Free Yes Luxury Vinyl Plank Yes Sold As Carton Style Traditional Variable Length No Variable Width No Sample Available Yes Sample Item Number A64224B9L Warranty 30 year limited Certification FloorScore certified UNSPSC 30161700 Frequently Asked Questions (FAQ): Soho Gray Waterproof Rigid Core Luxury Vinyl Plank (6 in x 48 in)