DIY Crafts ♥ ★ 13 Sizes(Diameter): 6mm(1/4″), 8mm(5/16″), 10mm(3/8″), 12mm(1/2″), 14mm(9/16″), 16mm(5/8″), 18mm(11/16″), 20mm(3/4″), 22mm(7/8″), 25mm(1″), 32mm(1-2/5″), 40mm(1-1/2″), 50mm(2″). Meet most of your different needs.
DIY Crafts ♥ ★ Rustless & Durable: Made of high strength Carbon Steel with smooth nickel plated surface to extend the service life.
DIY Crafts ♥ ★ Quick, Sharp & Smooth Cut: Tip Head coated with High quality Diamond to enhance the drilling speed and creates a sharp, high precision and smooth cut with no broken edges In Seconds.