Drill bit ½ inch Combo bit, 72 inches long

This is an all-purpose, economical flexible drill bit made from high carbon, double tempered alloy. Ideal for use on wall board, wood structures, and plaster. Can be sharpened with the use of a good file. Fish wire accommodation on flute and ultra flexible 3/16" shaft. Most popular bit in America ! The slow taper allows the bit to retrieve easily.