The MILWAUKEE 18mm Snap-Off Knife has a new to world all metal lock designed for maximum durabilitythat will hold up to jobsite conditions up to 10x longer. The lock comes with a speed thread that allows for faster blade adjustments.  This snap-off knife comes with a 8-point, detail-cut, microcarbide blade and will last longer and stay sharper.  The overmolded handle offers a slip resistant grip and is acetone resistant and is backed by MILWAUKEE's Limited Lifetime Warranty.