Rev ashelf 4KCB-21 Combination knife holder/cutting board designed for Base 18", 21" and 24" cabinets. Comes with removable mineral oil treated cutting board and three divided sections including a unique seven-slot knife holder compartment. Simply attach the drawer front to the 4KCB for a convenient and user-friendly organizer. * Comes with knife holder, cutting board and features full-extension ball-bearing slides (Knives not included) As New Condition Lists on Wayfair.ca for $253. Email or Text 250 896 3891 for more info.