Bridgewell Resources 5 in Unfinished Unfinished Oak Smooth Traditional Solid Hardwood Flooring (23 sq ft) Cordless Drills A: Variable speed ranges from Matte Black Lantern A: Variable speed ranges from 125 to 260 feet per minute for different materials and thicknesses the S4S finish and premium hardwood make it well suited for sturdy tight fit The flooring features a Janka wood hardness rating that signifies high dent resistance Smooth tongue and groove fit Select and better grade 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 Hfsustoar50013 UNSPSC 30161700 Sold As Carton Commercial Residential Commercial residential Water Protection N A Color Shade Light Length Measurement Varying Sample Available Yes Texture Smooth Traditional Installation Type Nail down