Gerber Bear Grylls Grandfather knife. The knifes 7 components include a fine edge blade, flat driver, Phillips driver, corkscrew, bottle opener, file and lanyard ring. The stainless steel Bear Grylls badge plays on the knifes vintage origins and lends it a classic look. The rubber-over-mold grip gives the knife a comfortable feel and adds security to your grip. Blade Length: 2.75(6.9 cm). Closed Length: 3.75(9.5cm). Includes a copy of Bear Grylls Priorities of Survival Pocket Guide for easy reference. Imported.