Features Precision Metric Unit Scale: Designed with a clear metric unit scale for easy and accurate readings, ensuring perfect hole placements every time Durable Aluminum Alloy Construction: Crafted from high-quality Features: 1、5Pcs in 1 Set: There are 5pcs Forstner drill bit with 15mm, 20mm, 25mm, 30mm, 35mm hole drilling diameter and 90mm total length. 2、Quick Cutting: Serrated sawtooth ensures l friction and heat, which also enhances chip removal and extends the service life. 3、Practical Use: Enables holes drilling on softwood, semi hardwood, chipboard, cardboard, veneer, plastic and so on, very useful. 4、Accurate Work: The centre point is not easy to slip, promising high accuracy in your woodworking and improving the efficiency. 5、Easy to Carry: Comes with a pine wood box, both the storage and carrying are very convenient for daily working. Specification: Item Type: Forstner Drill Bit Material: High Speed Carbon Steel + Pine Wooden Box Drilling Diameter: Approx. ？15mm / 0.59in, 20mm / 0.79in, 25mm / 0.98in, 30mm / 1.18in, 35mm / 1.38in Package List: 5 x Forstner Drill Bit 1 x Storage Box Package List 5 x Forstner Drill Bit 1 x Storage Box