The Stanley® 6-7/8 In. Fatmax® Twin Blade Knife Gives You The Ability To Alternate Between Two Blades While Carrying One Knife. The Instantchange® Feature Allows The User To Replace Dull Blades In Seconds.Feature:- Twin Blade Design Allows Ability To Alternate Between Two Blades And Carry One 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 SlippageSpecifications:- Total Blade Storage Capacity - 11 (9 Storage + 2 In Use)- Overall Length (In): 6-7/8 In