Patented twin-blade retractable knife Ideal for combining hooked and utility 1992 blades in one knife. Instant blade change button for quick blade changes Thumb Pad for extra grip Blades Storage inside handle for 5 blades Ergonomic design grip for comfort Only one blade can be extended at any one time - for safety Torsional resistance prevents the knife from separating when twisted Interlock patented blade locking system for greater safety during cutting Knife still operates if dropped

Stanley's replacement blade has 8 cutting points and fits Stanley® 10-218, 10-480, 10-380, 10-280, 10-220, 10-418 and 10-151 snap-off blade knives and most other 18mm snap-off blade knives.