D 19 5/16W,SOCKET 1/2" 5/16 W
D 19 5/8AF,SOCKET 1/2" 5/8"
D 19 5/8W,SOCKET 1/2" 5/8 W
D 19 7/16AF,SOCKET 1/2" 7/16"
D 19 7/16W,SOCKET 1/2" 7/16 W
D 19 7/8AF,SOCKET 1/2" 7/8"
D 19 8,SOCKET 1/2" 8 MM
D 19 9,SOCKET 1/2" 9 MM
