Product details : FACOM 467.ADAPT10-19 2X ADAPTORS FOR 10MM WRENCHES/19 MM WRENCHES
Set of 2 adapters for 1/4" and 1/2" square wrenches - 1 adapter allows your 10 mm ratchet to be used with 1/4" square sockets and 1/4" hex bits. - 1 adapter allows your 19 mm ratchet to be used with 1/2" square sockets.