The Opinel #8 Outdoor Blue folder is an ideal knife for adventurers. It has a Sandvik 12C27 stainless steel blade with a partially serrated ege. 4 mm-10 mm shackle key cut in blade. The polymer handle features a lanyard and integrated whistle rated for 110 dB. Includes the Virobloc safety ring that locks the blade in the open and closed positions.