Kapoosh Knife Block Small 2 Step Woodgrain. Food Safe polypropylene freedom rods allow you to mix and match kitchen knives from different sets and to store practically any utensil easily. The rods keep your knife sharper by eliminating the potential of scraping the blades on the edges of traditional knife block slots. The rods are removable and dishwasher safe just place them in the top rack of your dishwasher for cleaning remove and air dry.