Sunex 9723 1/4-Inch Drive Universal Spline Socket Set with Mini-Flex Ratchet, 13-Piece Universal Spline geometry on sockets can be used to turn Universal Spline, 6 point, 12 point, Star, square, and rounded hexagonal fasteners 6pt, 12pt, Star, square, and rounded hexagonal fasteners 72 Fine Tooth 1/4-Inch Dr. Flex-Head Ratchet provides swivel arc of only 5-Degree at every ratchet head angle from 90-Degree to 180-Degree Precise Ratchet Head flex tolerances to keep head in desired position during use 1/4-Inch Hex shank to 1/4-Inch Sq. Dr. Socket Adapter included