The Stanley sliding pocket knife has an all metal construction, making it solid, reliable and long lasting. It allows easy blade change, with no tools required, meaning that it is easier and faster than a standard utility knife.. The knife's one-handed operation blade slider extends the blade easily and quickly. A push down and slide safety feature ensures that the blade is not accidentally extended. For convenience, the knife is pocket sized and has a metal belt clip for easy carriage.. Accepts all standard Stanley blades (11-911, 11-921, 11-983)..