- Induction hardened blade: Sharper, longer professional cuts. - Cleaner, sharper cutting: 75% sharper than the STANLEY 1992 blade. - More cuts per blade: 2× longer life than the STANLEY 1992 blade. - More durable cutting: 20% stronger than the STANLEY 1992 blade. - Blade strength: Snap resistant up to 35Kg. - Universal compatibility: Fits all standard STANLEY utility knives and most other knives.