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Safety Cutter / cutter covered with ruler

Safety Cutter
Safety Cutter

You may have cut yourself when using a cutter with a ruler. If you slow down the sweep of the blade for the sake of safety, the edge often misses the straight line and goes sideways.
Safety Cutter is a cutter that moves its edge along the narrow groove inside a transparent ruler like a rail. The stainless steel belt connected over the edge is surrounding the When pushing on the belt, the edge appears into the groove. When the edge goes blunt, separate the ruler to replace it. You do not have to look for a ruler to use a cutter. The measuring scales on the roller are indicated on both sides so that a lefty also may easily read the numbers.

University

SADI

SADI
Seoul, South Korea

Rich Park

Design

Hwang, Won Chul

Hwang, Won Chul
Gyeonggi-do, South Korea