Bordo Impact rated 3/8" square drive bolt extractor socket set 9905-S1Impact rated 3 8" square drive bolt extractor socket set 9 piece set includes 8, 10, 11, 12, 13, 14, 16, 17 and 19mm sockets Rusted or rounded heads on bolts are a frustrating problem and are traditionally difficult to remove. The Bordo bolt extractor set makes removing these damaged fasteners easy. This set covers 9 common socket sizes from 8 to 19mm and their chrome molybdenum steel construction ensures a long tool life even in the toughest