Combination Sharpening Stone/Oil stone Material: White Aluminum Oxide Size:6''x2''x1'' , 8''x2''x1'' Grit No.: 120#, 240# Combination Sharpening Stone/Oil stone Material: White Aluminum OxideSize:6''x2''x1'' , 8''x2''x1''Grit No.: 120#, 240#Packing: 1pc/box, then into carton. OEM color box is available as per requestOther combination shapening stone: