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: 9 (3/8in), 11 (7/16in), 13 (1/2in), 14 (9/16in), and 15mm (5/8in).

Supplied in a carrying case.