KLEIN TOOLS® Flip-20 Socket Set, Impact-Rated, System of Measurement: Imperial, Metric, 6 Points, 1/4 in, 3/8 in Drive, Hex Drive, Hex Socket, 1/4 x 5/16 in, 3/8 x 7/16 in, 1/2 x 9/16 in, 5/8 x 3/4 in, 11/16 x 13/16 in, 8 x 10 mm, 9 x 11 mm, 12 x 14 mm, 13 x 15 mm and 16 x 18 mm Socket, Case Container, 9.25 in Overall Length, Steel, For Use With: Klein KNECT™ Systems, Klein Tools 65400 Pass-Through Socket Wrench, 3/8 in Square Drive Ratchet, 1/4 in Quick-Connect to Flip Socket Adapters, 13 Piece, Additional Information: 5.25 in W x 1.63 in H Dimension, Flip Feature, Nested Adapter, Heavy-Duty Type