This M&P OTF from Smith & Wesson runs a 3.5" single edge blade in place of the line's usual dual edge spear point, giving the out the front format a utility grind with a stronger spine that resharpens like an ordinary pocket knife.Deployment follows the M&P OTF pattern: a thumb slide sends the blade out the front and locks it in both positions. Handle construction matches the full size line's aluminum build, sized for duty pockets and range bags, and the single edge makes it as much a work knife as a defensive tool.