Rev-A-Shelf’s unique 4WDKB-1 Double Knife Block Tray Insert is out of the box ready at 18-1/2” x 22” providing 55 slots to store knives and has a separate compartment for other utensils. The unique design provides more storage than even our traditional Knife Block insert and with it’s simple drop-in installation valuable counter top space is available to use immediately. Made of our classic hardwood with a UV cured clear finish to ensure an acceptable match to any kitchen cabinet and can be trimmed to any size to fit drawers of various widths and lengths.