Durable knife: Metal core, rubbery grip for better handling; Comfortable non-slip handle for precise cutting; Includes twine cutter and back clip for easy portability. Great for cardboard, drywall, rope, vinyl, leather, arts and crafts or hobby Blade Storage Design: The handle can store extra 3 blades (for each knife). Blade storage for convenient access to new blades. Just remember to replace your blades often as a sharp blade will cut safer Quick Blade Change System: Simple press the blade release button to remove the blade and change a new one. Change blade quickly and safely with Tool-free 2-in-1 Retractable Utility Knife: 2-Piece Retractable Utility Knife and Self-retracting Safety Box Cutter 2-in-1; Top metal button: Self Retracting for auto retractable design; side color button extends and locks the blade for added safety Set of 4 Utility Knife: Set contains 2-pack Heavy Duty Retractable Design Utility Knife, 2-pack Aluminum Folding Knife, total 16-pack high-strength SK2 Steel Blades can stay sharp for a long time without bending LICHAMP FOLDING AND RETRACTABLE UTILITY KNIFES SET

UTILITY KNIFES' FEATURES:
Quality steel handle
Anti-slip ABS grip
Easy blade release mechanism
Blades storage handle
Compact and portable
Sharpness and hardness blade

RAZOR BLADES FEATURES:
Ultra-sharp and dual-hardness, not easy to break, good stability and safer.

WIDE APPLICATIONS:
Smart tool in your pocket, dieal for crafts, household, office and more.
DIY projects, easily cutting hobby, cardboard, carpet, Rope, boxes, wallpapers, vinyl, rubber, leather, PVC material and etc.

YOU WILL GET:
2-pack folding utility knifes
2-pack retractable utility knifes
16-piece razor blades

Precautions:
The sharpness of the blade is unimaginable.
Always pay attention to it when using it or replacing the blade.
Do not let children use it without the supervision of an adult.