U1 Ultra Pocket Folding Utility Knife with Ceramic Blade
- Premium Ceramic Blade
Equipped with a zirconium oxide ceramic blade featuring approximately 1200 HV hardness, delivering long-lasting sharpness, corrosion resistance, and reliable everyday cutting performance. - Smooth & Secure Operation
Ceramic ball bearings ensure smooth blade deployment, while the button lock, thumb stud, and flipper provide convenient one-handed operation. - Quick-Change Blade System
The replaceable blade design allows easy blade changes without complicated tools. Compatible with OKNIFE U1 Series SK5 and ceramic replacement blades. - Premium Handle Options
Choose from lightweight aluminum and durable titanium handles, available in a variety of colors and finishes to suit different carry preferences. - Compact Everyday Carry
Designed with a deep-carry pocket clip and a compact profile, the U1 Ultra offers comfortable, convenient carry for everyday tasks.
U1 Ultra Pocket Folding Utility Knife with Ceramic Blade - Onyx Black is backordered and will ship as soon as it is back in stock.
- Free Shipping on Orders $49+ (U.S. Only)
- 30-Day Money-Back Guarantee
- 2-year Warranty
Secure Payment
U1 Ultra Pocket Folding Utility Knife with Ceramic Blade
U1 Ultra Pocket Folding Utility Knife with Ceramic Blade - Onyx Black is backordered and will ship as soon as it is back in stock.
Blade efficiency
85% Blade Utilization
Get more from every blade. The U1 Ultra design maximizes blade usage, reducing waste.
Opening & locking
Two Ways to Open. One Secure Lock.
Deploy the blade using the flipper or thumb stud. The button lock automatically secures the blade when fully opened.
ceramic blade
Innovative Ceramic Blade: Performance Redefined
Stay sharp with the U1 Ultra. Its zirconium oxide ceramic blade stays 10× sharper than steel, resists rust, and delivers smooth, precise cuts with a finely brushed finish. Designed for lasting sharpness and reliable everyday performance.
Materials
Distinct Materials. One Ultra Experience.
Choose from four distinctive handle materials and finishes.
TC4 Titanium
Lightweight and premium
Snowflake Titanium
Unique pattern and style
OAL Aluminum
Durable and lightweight
6061-T6 Aluminum
Bold and distinctive
Everyday carry
Compact by Design
At just 85.9 mm (3.38 in) when closed, the U1 Ultra is designed for everyday carry.
Easily Swappable Blade
The blade is easily replaceable, allowing you to maintain peak performance and extend the life of your knife.
Compare U1 Ultra Versions
| Version | Handle Material | Handle Finish | Weight | MSRP |
|---|---|---|---|---|
| Onyx Black | OAL Aluminum | Brushed Black Anodized | 64 g (2.26 oz) | $54.99 |
| Titanium | TC4 Titanium | Sandblasted | 83.5 g (2.95 oz) | $64.99 |
| Olive Green | OAL Aluminum | Olive Green Anodized | 64 g (2.26 oz) | $54.99 |
| Stealth Grey | OAL Aluminum | Gunmetal Grey Anodized | 64 g (2.26 oz) | $54.99 |
| Zombie Green | 6061-T6 Aluminum | Dual-Color Anodized | 64 g (2.26 oz) | $54.99 |
| Zombie Pink | OAL Aluminum | To Be Confirmed | 64 g (2.26 oz) | $59.99 |
| Snowflake Blue | Snowflake Titanium | Ice Blue Anodized | 83.5 g (2.95 oz) | $74.99 |
| Snowflake Colorful | Snowflake Titanium | Gradient Anodized | 83.5 g (2.95 oz) | $74.99 |
