Rev-A-Shelf Double Knife Block Drawer Insert-Wood, Natural (1) Wood knife block insert. . Maple Material. 55 slots for knives. Trim to a custom fit using a table saw for precise fit.Knives are not included.Designed for drawers from 12.5" to 18.5" in Width. 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 The unique design provides more storage than even our traditional Knife Block insert and with its simple drop-in installation valuable counter top space is available to use immediately Made of our classic hardwood with a UV cured