- Irwin Bolt Grip Fastener Remover 5 Piece Base Set ideal for removing rounded, rusty or painted bolts. - Unique reverse spiral flute design securely grips and removes stubborn nuts and bolts. - Can be used with a hand ratchet 3/8 in square drive and has hexagon flats for use with a spanner or adjustable wrench. - Sizes: 10 (3/8in), 11 (7/16in), 13 (1/2in), 14 (9/16in), and 16mm (5/8in). - Supplied in carrying case.
