8 pack 1 4 to 1 4 3 8 1 2 hex adapter for cordless drill and driver

material high quality chrome vanadium steel, quantity 8 pieces, 4 x 1 4, 2 x 3 8, 2 x 1 2 suitable for all drives of sockets, bit inserts, for direct drive via the drill chuck or with 1 4 hex mounting bracket for all drills, cordless screwdrivers and hand screwdrivers etc. ideal for quick tool chang