Bridgewell Resources 5 in Unfinished Unfinished Oak Smooth Traditional Solid Hardwood Flooring (23 sq ft) value:sq ft ECOSE Technology: Formaldehyde free Matte Black Lantern ECOSE Technology: Formaldehyde free OCTANE batteries provide maximum performance when paired with OCTANE tools (not included) for high demand applications tight fit The flooring features a Janka wood hardness rating that signifies high dent resistance Smooth tongue and groove fit 1 Common grade Product contains prominent variation in coloration and varying characters Feet) 23 Appropriate Level for Installation At or above ground level Variable Width No Variable Length Yes Subfloor Type Plywood only Warranty None Finish Type Unfinished Janka Hardness Rating 1290 Hardness Scale 3 (Janka rating 1261 1400) Hardwood Plank Width Thin Strip CA Residents: Prop 65 Warning(s) Yes Sample Item Number Hfsustoar50035 UNSPSC 30161700 Installation Type Nail down Commercial Residential Commercial residential Sold As Carton Water Protection N A Color Shade Light Length Measurement Varying Sample Available Yes Texture Smooth Traditional