ITEM NO: SBAA0414 Specially Designed For Repair Service Use Heavy-Duty High Carbon Stainless Steel. Mighty Molybdenum And Vanadium Alloy Blades Precision Hollow-Ground And Hardened Long-Lasting Cutting Edge Micro-Serration Blade Design For Strong Grips On Cutting Objects Extension Tang Design To Increase Overall Input Leverage High Grade Nylon-Made Ergonomic Modern Handles (with 30% fiberglass)