Heavy Duty 18mm Snap-Off Utility Knife with SK5 Blade & Auto-Lock

Tackle tough cutting tasks with confidence using this Heavy Duty Multifunctional 18mm Utility Cutter Knife. Featuring a premium SK5 L-shaped snap-off blade (100mm length, 0.3mm width, 10.5mm thickness), this tool delivers exceptional sharpness and durability—50% sharper and stays sharp 3× longer than standard blades. The ergonomic ABS + TPR soft-grip handle provides a comfortable, non-slip hold even during extended use, while the aluminum blade frame and black slider ensure smooth operation. Equipped with a positive auto-lock mechanism that securely holds the blade in place and a safety lock, it withstands up to 25 kg of force without slipping. Includes storage for up to 5 spare blades inside the handle and comes with 5 high-quality SK4 18mm blades. Drop-resistant, shock-absorbing, odor-free, and eco-friendly, this cutter is ideal for home, office, school, factory, crafts, packaging, and professional use.

• 18mm Wide SK5 Blade: Extra-sharp, heavy-duty snap-off design for precision cutting.

• Auto-Lock & Safety Lock: Keeps blade firmly in position during use.

• 25 kg Force Resistance: Built tough for demanding tasks.

• Ergonomic TPR Grip: Soft, non-slip, odor-free comfort for long sessions.

• Aluminum Frame + ABS Body: Durable, lightweight, and drop-resistant.

• Blade Storage: Holds up to 5 spare blades inside the handle.

• Includes 5 SK4 Blades: 50% sharper, longer-lasting performance.

• Multifunctional Use: Perfect for cardboard, carpet, leather, plastic, drywall, and more.

• Simple & Safe Operation: Easy blade advancement and snap-off system.

The ultimate heavy-duty utility knife—sharp, secure, comfortable, and built to last.

Highlights

• SK5 High-Carbon Blade: Superior sharpness and edge retention.

• Positive Auto-Lock: No blade wobble or slippage.

• Soft TPR Grip: Anti-slip, shock-absorbing comfort.

• 25 kg Load Capacity: Handles the toughest materials.

• 5 Spare Blades Included: Ready for extended projects.

• Internal Blade Storage: Keeps spares safe and organized.

What's in the Box

• 1 × Heavy Duty 18mm Utility Cutter Knife

• 5 × SK4 18mm Snap-Off Blades