General description Hex bolt extractor bit set designed to remove damaged, rounded, or corroded allen (Hex) bolts or screws. This set includes sizes: 1.5, 2, 2.5, 3, 4, 5, and 6mm, each 50mm long, with a 1/4" shank featuring a quick chuck end. The set is conveniently packed in a plastic storage case. Technical specifications Sizes: 1.5mm, 2mm, 2.5mm, 3mm, 4mm, 5mm, 6mm Length: 50mm Shank: 1/4" with quick chuck end Usage This extractor set is designed for use with a cordless drill, making it easy to remove damaged bolts and screws efficiently. Other information