Stanley 99E The Original Retractable Blade Knife STA210099 Grey painted die-cast metal body ergonomically shaped for a good, comfortable grip.The blade extension can be controlled by the blade shifter.5 blade positions allows wider usage for a variety of cutting applications.Interlock nose firmly secures blade into knife.The blade can be fully retracted into the body for safety. Supplied with 3 blades stored in the handle for safety and convenience. STA210099