Stays sharp 3x longer Includes 3 Unbreakable Bi-Metal Blue Blades Full lifetime guarantee Hi-visibility Orange color makes for easy spotting on the job site Optimized cutting angle for reduced fatigue Smooth, three-position slide exposes variable blade lengths Features inside storage for up to 5 blades Replacement blades, 5-pack number 2084100 (2512-1120) or 20 pack number 2084200 (2512-1138) Carded