new and high quality. OOTDTY Features: Made with advanced technology, high-quality materials and long service life. The drilling is neat, smooth, without and will not produce tremor. The cutting resistance is small, the drilling speed is increased, and chip removal is easy. Can be used for the opening of various products, plastics, plywood and other materials. Easy to install and use, just need to be installed in a common hand drill to use. Low working noise. Specifications: Material: Alloy Size: 14mm,15mm,16mm,17mm,18mm,19mm,20mm,21mm,22mm,23mm,24mm,25mm,26mm,28mm,30mm,32mm,35mm,38mm,40mm,50mm Box Size: approx.155x138x120mm/6.10x5.43x4.72in Color: Silver Quantity: 20pcs/set Note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Includes: 20pcs/set Forstner Drill Bits (other accessories in the picture is not included.)