KDS GB-10B EVO Heavy-Duty Pro Snap-Off Utility Knife Blades, G-Size (18mm x 0.6mm), Black High-tempered black EVO G-blades, 10 per pack G-blades are 20% thicker than typical L-blades, for more demanding tasks Double-honed to start sharp and stay sharper longer Made in Japan by KDS This is a KDS replacement part Part Number GB-10B EVO This is an O.E.M. part