Features 1、Adjustable round hole cutter can provide clean cutting from 30mm diameter 2、The carbon steel carrier has scale marks, quick measurement and accurate cutting 3、Widely used in woodworking openings, headlight openings, plastic board openings, DIY speaker openings, etc. 4、Double blade design, possess straight round effect, bring smooth cutting without burrs 5、Shaft width is 9.5mm, suitable for vertical drills and hand drills, very practical Specification Item Type: Adjustable Circle Hole Cutter Maximum Cutting Depth: Approx. 30mm / 1.2in on one side (starting from both sides of the workpiece, so the maximum is approx. 60mm / 2.4in) Shaft Width: Approx. 9.5mm / 0.4in, suitable for vertical drills and hand drills Package List 1 x Adjustable Circle Hole Cutter 1 x Hex Wrench 1 x Replacement Accessories