Schrade SCHF2 Extreme Survival Fixed Blade Knife Gray Serrated Edge Extreme Survival Knife. The SCHF2 fixed blade knife is a big knife that features a single piece drop point style blade and handle made from 1070 stainless steel. The 7.5" blade is partially serrated and the handle has diamond pattern knurling for a confident grip. Unscrewing the handle end reveals a driver tool with flat head (3/32", 3/16", 1/4"), Phillips (PH#0, 1, 2), Torx (10, 15, 20), and Allen (5/64") tips. The O-ring keeps moisture out of hollow handle when tightened appropriately. Includes a ballistic nylon sheath.