Features: *Brand new and high quality. *Made of high-quality materials, durable. *The 6 sizes are available for you to choose from to meet your multiple needs. *The blade is lengthened and quenched by high-speed steel. Tips: When punching, you should go in and out,you can't go in all the time, You can take the foam out as soon as you go in and out. When it's about to be penetrated, it's necessary to change it to the other side. You can't penetrate it at one-time, and it's easy to collapse when you penetrate it at one-time. Specifications: *Product name: Drill Bit *Material: HSS *Color: as shown *Shank:2.35mm *Length:75mm *Size: 0.8mm 1.0mm 1.2mm 1.5mm 1.8mm 2.0 mm (optional) *Quantity: 1pc Package Included: 1* Drill Bit Note: 1.Transition: 1cm=10mm=0.39inch. 2. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 3. Please allow slight manual measurement deviation for the data. Made of high quality material, durable and practical to use Brand new and high quality Good function and reliable to use We will ship it ASAP,when you place the order We provide perfect customer service, you can buy with confidence. If you have any questions about our products, you can feel free to contact us.