SawStop RT-FLS Flip Stop for Router Fence

At SawStop, they make saws. Their saws, besides being the highest quality and best featured saws in their market segments, have the ability to detect contact with skin and stop the blade in less than 5 milliseconds. Each SawStop Table Saw is designed and engineered by woodworkers. Their engineers avoid off-the-shelf components and old designs in favor of practical innovation.