Spiral flute extractors are perfect for common fasteners, the bolt extractors are for freeing partly-exposed fasteners. The kit also includes right hand cobalt drill bits for fasteners, which can be used to help drill these fasteners.

Nut and screw extractor kit is made of high-hardness chromium-molybdenum steel material, and the reverse spiral groove is designed to buckle downward to provide maximum grip.

Specifications: 26 PCS Screw&Bolt Extractors/Drill Bit Set includes 6 easy out style spiral flute extractors, 13 PCS bolt&nut extractors, 1 PC 1/4" hex adapter and 6 PCS drill bits.

Nut extractor Size: 1/4 inch, 5/16 inch (8 mm), 3/8 inch, 10 mm, 7/16 inch (11 mm), 12 mm, 1/2 inch, 13 mm, 9/16 inch (14 mm), 5/8 inch (16 mm), 17 mm, 11/16 inch, 3/4 inch (19 mm), included 3/8" to 1/4 "hex Impact adapter.

Screw extractor and left hand drill bits kit Easy out rusty or damaged screws. Screw extractor kit:1-6#, Drill bit kit: 3/32", 1/8", 5/32", 1/4", 9/32", 3/8", each precision tool has a clear mark.