The gold hue on the cutting edge is a zirconium nitride coating applied at the atomic level after blades are atomically sharpened. The result is a sharp and durable blade that will make any cutting job easier.
 
Z Series Knife & Blades
#1 Precision Knife w/Safety Cap
#11 Knife Blade pkg(5)
#11 Knife Blade pkg(500)
#11 Knife Blade pkg(100)