Utility Knife SK5 Heavy Duty Retractable Box Cutter for Cartons Cardboard and Boxes Blade Storage Design

Specification: T type Cutter fixed: self-locking Cutter width: 19mm (T type) Total length: 175mm Total width: 45mm Material: Zinc Alloy + SK5 1: The shell is made of high-quality zinc alloy + soft rubber TPR encapsulation which is strong and durable 2: Push the top push button you can push to 3 different positions 3: The internal cutter is made of SK5 high-quality material which is strong and durable 4: Built-in nine spares can be used continuously 5: Self-locking function safety protection