New to the Tape King family of trusted products is our heavy duty 12-Pack yellow compact box cutter knife set (18mm wide blade). Cut and slice through packages, boxes, cartons, paper, plastic, packing tape, labels, stickers and more. This set of 12 box cutting blades is definitely a must have utility tool to keep around the house, garage, office, tool shed, kitchen, arts and crafts bin. All blades are lightweight, compact and ready to use. There's plenty to use as a main or spare blade. Each box cutter is fitted with an ergonomic plastic body with a sharp retractable stainless steel blade. The light duty snap off blade allows for extended use through the guided line marks on the blade. As you use it more, the blade will get dull. For a fresher and sharper blade, simply snap off the blade at the desired line marking. Stay safe with the safety lock feature on each box cutter. Prevent any blades from slipping by setting the safety feature to lock the blade in place. Knife Dimensions: Blade Retracted In Length = 6" Blade Retracted Out Length = 8.75" Widest Width = 1.5" Shortest Width = 1" Blade Width = 18mm *You are receiving 12 box cutters in this box set.