Features: 1. Safety blade cassettes design 2. Easy Interchangeable blades 3. Double track construction 4. Swing-out extended ruler 5. Measurements scaled in cm and inch 6. included a storage box for blades 7. built-in storage compartment for blades 8. 3 types of safety blade cassettes 9. Perfect for trimming photos & card making 10. Cutting capacity: Straight blade up to 8 sheets ; Perforate blade up to 5 sheets ; Scoring blade up to 3 sheets