Stanley 1-11-911 Standard Knife Blades (1991) - (Pack of 100) The Stanley 1-11-911 is a Pack of 100 Blades. 1991 is Stanley\'s original blade - an everyday, general-purpose utility blade and fits all standard Stanley utility knives and most other knives. The 1991 blade is suitable for cutting most light sheet materials, paper and cardboard. Features: Hardened and tempered Suitable for cutting most light sheet materials Fits all standard Stanley utility knives and most other knives Stanley\'s original blade - the 1991 is a general-purpose blade Available as a pack of 5pcs, a pack of 10pcs, or a pack of 100pcs Specification: Pack of 100