Material The head of the scribing tool has a round scribing blade, please be careful when using it to avoid injury. Made of high-quality brass, aluminum alloy, and stainless steel, the marking knife is durable and has a long service life. Easy to OperateThe dual-function wheel ladder can meet both linear and bending needs at the same time. The 59.5mm diameter solid brass surface can slide over the edge of the workpiece, and an 8mm precision ground steel bar can be used as a depth gauge. Anti-Roll DesignPrevent this wheel marking gauge from rolling on your workbench. It houses an anti-roll brass fence with 2 flat points on the head to prevent the gauge from rolling. MaterialMade of high-quality brass, aluminum alloy, and stainless steel, the marking knife is durable and has a high quality of ...