The One-Handed Trekker is great for those that use their knio=ves frequently. The simple "thumb Out" blade makes it easy to flip out, even when your hands are full. Black handle 4.375" closed - 111mm Victorinox uses an easily sharpened stainless steel. 1. One-handed serrated locking blade 2. Bottle opener with large locking screwdriver & wire stripper 3. Can opener with small screwdriver 4. Phillips screwdriver 5. Key ring 6. Toothpick 7. Tweezers 8. Reamer 9. Wood saw Victorinox