The DeWALT DWAMRA14FT / DWHT65200 Right Angle Attachment/Screwdriver Set includes four pieces designed for use with a drill. Made of metal and measuring 14 inches in length, these drill bits are suitable for various drilling tasks. The set is from the renowned brand DEWALT and comes with a right angle attachment for improved accessibility in tight spaces. With a 4-inch diameter, this set is a valuable addition to any workshop or tool collection.