The MILWAUKEE FASTBACK Spring Assisted Folding Knife features a spring assisted mechanism and flipper for one-handed opening. The spring assisted folding knifeÂ’s stainless steel blade stays sharp. This folding pocket knife features a slide lock that secures the blade while allowing for easy closure when done.The partially serrated folding knife features a tanto blade for versatility, allowing you to pierce and tear through material. This spring assisted pocket knife with durable belt clip reduces pocket tearing for maximum jobsite efficiency and includes a tether-ready lanyard hole.