Voyager Tools 8pc Impact Socket Adaptor Set

Comes with the following sizes: 1 inch to 3/4 inch--(26mm square hole to 18.5mm square head) 3/4 inch to1 inch--(19.6mm square hole to 25mm square head) 3/4 inch to 1/2 inch--(19.6mm square hole to 12.7mm square head) 1/2 inch to 3/4 inch--(12.7mm square hole to 19.6mm square head) 1/2 inch to 3/8 inch--(12.7mm square hole to 9.2mm square head) 3/8 inch to 1/2 inch--(9.2mm square hole to 12.7mm square head) 3/8 inch to 1/4 inch--(9.2mm square hole to 6.2mm square head) 1/4 inch to 3/8 inch--(6.2mm square hole to 9.2mm square head)