The product is a set of 48 various HSS drill bits by the brand Nachi. These drill bits come in different sizes ranging from 1/4 (6) 3/8 (6) 5/16 (6) 11/32 (6) and sizes #5 (12) and #7 (12) totals 48 drill bits suitable for drilling into metal and wood materials. They are designed for use with a drill and come in a package quantity of either one dozen or half a dozen. This versatile set of drill bits is ideal for use in a shop, garage, or house for various drilling applications. Made in the USA, these high-quality drill bits are a valuable addition to any toolkit.