Heavy-duty Safety Box Cutter
1.Feel comfortable
2.containing back-upblade
3.heavy-duty box cutter

1.Heavy-duty box cutterl with only single blade in the box each time.

2.New blade can be replaced after the used one. the blade has normal sizewith thickness of 0.47mm, also made of high carbon steel with enoughstength.

this cutter has the special shape of plastic sliding button for perfectsafety auto-lock system.

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