Laser 6844 7 Piece Damaged Hex Bolt Extractor Set Features and Benefits:For removing damaged Hex bolts or Hex screws1/4" shank with quick chuck endTime saverPacked in a plastic storage caseContents: Sizes: 1.5mm, 2mm, 2.5mm, 3mm, 4mm, 5mm, 6mm x 50mm long