The Drillmaster 3 Piece 18" Auger Bit Set includes three steel drill bits with diameters of 1/2", 3/4", and 1" inch. Manufactured by Drill Master and guaranteed with a 1-year warranty, these silver-colored drill bits are suitable for use with a drill. Each piece is 18 inches in length and designed for optimal performance in various drilling tasks. Made in China, this set is a valuable addition to any workshop or home improvement tool collection.