The Stanley STA210099 has a retractable blade and a grey painted die-cast metal frame. It is an ideal tool for Carpenters, Decorators, Artists or any small home DIY works. It has 5 different blade positions which can be controlled by a blade shifter. The variety in blade positions makes it perfect for cutting a variety of depths. The blade has an interlocking nose which firmly locks the blade in any of the 5 positions you need. Once you have finished with the knife the blade can then be full and safety retracted back into the frame. Supplied as a single unit with 3 spare blades. Features and Benefits: Ergonomically shaped handle, for a more comfortable hold whilst cutting. Spare blades - stored in then handle for safety and convenience. 5 different blade positions - there to aid with different thickness and strengths of materials. Technical Specification: Length: 155mm Supplied With: 1 × Stanley STA210099 99E The Original Retractable Blade Knife3 × Spare Blades (stored in the handle)