No. 1 Z-series Precision Utility Knife W-replaceable Steel Blade, Safety Cap

Our sharpest and most durable #11 blade ever. The gold hue on the cutting edge is a zirconium nitride coating applied at the atomic level after blades are atomically sharpened. The coating on the blades adds significant strength to the blade itself, particularly the tip. Knife Type: Utility; Blade Type: Replaceable; Blade Material: Stainless Steel; Number of Blades: 1.