Standard retractable utility knife in high visibilitycolor for easy spotting on the job site. Knife includes 3 blades, but has internal storage capacity for up to 5 blades. Type: Standard, retractable. Number of blades: 3. Optimized cutting angle for reduced fatigue. Smooth, three-position slide exposes variable blade lengths. Screw permanently captured in casing to prevent loss. Color: Hi-Visibility Orange. Features inside storage for up to 5 blades. Irwin Standard retractable utility knife measuring 8. 6" x 3. 5" x 1. 1" has an optimized cutting angle for reduced fatigue.