Power-Grip? Fastener Remover 7 Piece Set

Reverse spiral flutes for maximum gripping power. Universal shape fits metric & fractional sizes. 1/4'' hexagon shank suitable for use with power drills and nut drivers. Durable high carbon steel for longer life.
Sizes: 1/2'', 7/16'', 9/16'', 3/8'', 5/16'', 1/4'', 3/16''.

5 piece set illustrated

Bolt-Grip? Fastener Remover 5 Piece Set

All have 3/8" square drive and outside hexagon for use with sockets and spanners. Manufactured from carbon steel for durability. Grips fasteners that are rounded off, painted over or rusted tight.
Overall length: 27mm.
Contents: 10mm (3/8"), 11mm (7/16"), 13mm (1/2") 14mm (9/16") and 16mm (5/8").