Irwin bolt grip fastener remover sets irwin 10504634 professionals do not want to waste time fighting rounded off rusted tight or painted over bolts they reach for the irwin bolt grip this is a unique reverse spiral flute design which securely grips and removes stubborn nuts and bolts the bolt grip is supplied in a set of 5 grip fastener removers for use with rounded or heavily painted bolts the unique reverse spiral flute design securely grips and removes stubborn nuts and bolts suita