Engineer wood flooring, Oak smokey thickness 1/2" , 3/8" ,9/16" width : 3 1/4" , 5" ,6 1/2" Top ... layer 2mm up to 6mm RL engineered wood flooring1:Species: oak smokeyConstruction:Engineered Hardwood - Tongue & ... 3/8", 1/2",9/16" up to 21mmwidth :5" or special width addording to customer 's request uo ... )Installation: glue down, nail down or stape down engineered wood flooring