23-Piece Drain Plug Socket Set, 3/8" Drive Oil Drain Plug Key for Back Axle, Differential, Gearboxe & Engine Oil Sump. Drain plug key set includes: 7x hex sockets (8 - 9 - 10 - 12 - 13 - 14 - 17 mm), 9x square sockets (5/16" - 3/8" - 7 - 8 - 10 - 11 - 12 - 13 - 14 mm), 1x spline socket M16, 1x torx socket T45, 1x triangle socket 10 mm, 1 socket 10 mm.
