6-5/8 in INSTANTCHANGE® Retractable Knife

Product Overview

Easily change blades without losing excess time with the 6-5/8 in. INSTANTCHANGE® Retractable Knife. With a simple click of a button, you can switch out blades without needing any additional tools and get right back to working. The knife’s sturdy, durable construction delivers high endurance while its comfortable grip offers an optimized user experience.

Additional Features

  • CONVENIENT BLADE ACCESS with swing-out blade storage
  • HIGH EASE OF USE: Integrated string cutter for use when blade is retracted with large hang hole for pegboard storage
  • MULTI-FUNCTION HANDLE stores up to 10 blades


  • Drywall
  • Cardboard
  • Shrink Wrap
  • Tyvek
  • Shingles
  • Plastic Sheeting
  • Insulation


  • (3) 11-921 Heavy Duty Utility Blades


Blade Storage
Number of Pieces



  • Limited Lifetime Warranty

We're confident of the quality of our products and we'll repair, without charge, any defects due to faulty materials or workmanship within the specified warranty.

Learn More


We take extensive measures to ensure all our products are made to the very highest standards but on the rare occasion that you need our help & support, we've got you covered.

Support Manual