Dart 4 Piece Impact Nut Driver Set in Case Dart 4 Piece Impact Nut Driver Set in Case 1/4″ Hex, quick-change shank is designed to work with impact drivers and reduces slipping in standard drill chucks. Lobular design drives fastener on side instead of corner for less stripping and longer life. Contents: 3/8”, 5/16”, 10mm, 8mm
