Number 11 "Z Series" blades 5 Pack for use with "A" type handles.
Zirconium Nitride Coated Blades X-ACTO's sharpest and most durable blade.
Z-Series #11 blades fit all #1 X-ACTO knife handles.
Perfect for model making, hobby, paper crafting and wood working or for any other application that requires a #11 blade.