Harlingen 10 Piece Damaged Bolt Remover Set H-60-015-001SPECIFICATIONS Sizes: 9, 10, 11, 12, 13, 14, 15, 16, 17 & 19mm Drive: 3 8" Sqr FEATURES Used for removing damaged, stripped, rusted or painted fasteners (screws nuts bolts) of all types To remove damaged bolts, tap the extractor onto the head of the bolt and remove the bolt in the same direction you would normally use to remove the fastener Works well even on flush mounted bolts and nuts. Designed for use in areas where space is limited Can be used