Hardwood floor, unfinished or finished for internal use, with smooth even-level finish cut on the top and grooved on bottom side, tongue-and-groove planks, grooved on the sides and on the top, allowing for straight or micro-bevel edge milling.
Dimensions:

Lenght: 1' (304,8 mm) - 7' (2.133 mm) - Média 2,8' a 3 ¹/²' 1' (304,8 mm) - 4' (1.129 mm) - Média 2' a 2 ¹/²' Width: 2 ¹/4" (57,00 mm) ; 3 ¹/4" (82,5 mm) ; 4" (101,6 mm) 5" (127,00 mm) Thickness: 3/4" (19,05 mm)