D 19 3/16W,SOCKET 1/2" 3/16 W
D 19 3/4AF,SOCKET 1/2" 3/4"
D 19 3/4W,SOCKET 1/2" 3/4 W
D 19 3/8AF,SOCKET 1/2" 3/8"
D 19 3/8W,SOCKET 1/2" 3/8 W
D 19 30,SOCKET 1/2" 30 MM
D 19 32,SOCKET 1/2" 32 MM
D 19 33,SOCKET 1/2" 33 MM