Klein Tools Serrated Stainless Steel Duct Knife w/ 5.5'' Blade $10

Amazon has Klein Tools Serrated Stainless Steel Duct Knife w/ 5.5'' Blade (DK06) for $9.98. Shipping is free w/ Prime or on $35+ orders. About this item: - Cuts duct board and flexible duct - Double-edged knife blade, fine edge on one side and serrated edge on the other