8pc Impact Adapter/ Reducer Set Contents: 1/4"M & 3/8"F, 3/8"M & 1/4"F, 3/8"M & 1/2"F, 1/2"M & 3/8"F, 1/2"M & 3/4"F, 3/4"M & 1/2"F, 3/4"M & 1"F, 1"M & 3/4"F Packing : Q’TY:12 SETS N.W :15 KGS G .W: 16 CUFT:1.6