Opinel No.08 Stainless Steel 3.75 inch Folding Knife - This heavy duty survival knife features a 2.5mm thick 12C27 sandvik blade, a thick serrated area, an integrated 4 seasons 110 db survival whistle and a shackle key. The handle features a non-slip area  and can resist extreme temperatures.

Features:

• Limited Lifetime Warranty
• Pea-less safety whistle
• Shackle Key
• Lanyard
• Made in France
• The blade is a Sandvik 12C27 modified stainless steel. It is anti-corrosive thanks to the addition of chrome and requires no special maintenance. Carbon content of at least 0.40% provides an excellent cutting edge and is easily sharpened.
• Virobloc Safety Ring: The locking mechanism was developed in 1955 keeps the blade securely opened, or closed. To lock your knife, simply twist the locking ring clockwise into the closed position during transport, turn the locking ring counterclockwise to prevent the blade from folding during use.