Stanley 10-819 FatMax retractable blade knife has a die-cast aluminium housing combines maximum strength with amazing lightweight properties, a professional tool for all tradesmen.A DISPENSER OF 10 BLADES IS INCLUDED WITH THESE KNIVES.Produced by one of the world's most trusted brand names this knife features the following details - easy opening, no screwdriver needed, a great ergonomic shape with a very positive and comfortable grip. The tool has an internal compartment for storing up to 15 blades or a dispenser of 10 blades.Solid, secure handling.Extra large handgrip and the diamond shaped textured handle provides a sure grip whatever the conditions.Maximum flexibility.Chunky dial allows you to control the width of the knife opening, giving you a sure feel when using extra heavy-duty blades.Fast blade change.Spring-loaded swivel opens the knife wide for quick and easy blade change. The magnetic nose holds the blade in place whilst its been changed.