Q&A
Q：What is CB Dual designed for?
A：A versatile dual-purpose knife: one side concealed for safe tape/carton cutting, the other side Smart Retract for straps and heavy materials.
Q：What is the Smart Retract function?
A：Uses a dual‑spring mechanism: the blade automatically retracts as soon as it loses contact with the material, even if your hand stays on the handle, helping reduce accidental injuries.
Q：What blades are compatible with CB Dual?
A：Uses SK2 trapezoid blades for the Smart Retract side and SK5 0.3mm triple-hole double-edge blades for the concealed side.