Master Mechanic, 13 Piece, Pass Thru Socket Set, Includes: (10) Spline Sockets Sizes: 5/16, 3/8, 7/16, 15/32, 1/2, 9/16, 19/32, 5/8, 11/16 & 3/4", Extension Bar, 3/8" Drive Adaptor & Ratchet Handle, All CR-V Material, Spline Geometry Works With 4, 6, 12 Point, Spline, External Torx & Rounded Standard Fasteners, Meet Or Exceed All Ansi Standards.