Click to expand Tap to zoom Excel 20 Stainless Steel Surgical Blade - 2 pcs. by Excel Blades Sale $1.37 | / SKU EX-20 12 per box - $1.37 Carton quantity 12 per box 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Excel 20 Surgical Blade Stainless Steel - 2 pcs A larger version of the #10 blade, the #20 blade has a curved cutting edge with a flat unsharpened back edge 2 pack of blades in foil packaging.