Two knives in 1 - twin blade design allows the user to alternate between 2 blades without carrying more than 1 knife. InstantChange feature allows the user to replace dull blades in seconds. Easy access blade storage holds up to 9 blades for fast and easy blade change. Interlocking blade sliders so that only 1 blade is extended at a time. Rubber comfort grip minimizes fatigue and reduces slippage. Total blade storage capacity is 11 (9 in storage + 2 in use).