Knife Block Drawer Boxes and Knife Block Drawer Inserts from Keystone Wood Specialties are available according to customer specifications. The dovetailed drawer box can be ordered with the insert, or the insert can be ordered by itself. Ordered as a Knife Block Drawer, the minimum drawer height is 3½”. The minimum depth for the knife block is 16¾”. The inserts are available prefinished or unfinished, in any available wood species.