D 20 13,SOCKET 1/4" 13 MM
D 20 13/32AF,SOCKET 1/4" 13/32"
D 20 14,SOCKET 1/4" 14 MM
D 20 3/16AF,SOCKET 1/4" 3/16"
D 20 3/8AF,SOCKET 1/4" 3/8"
D 20 4,SOCKET 1/4" 4 MM
D 20 4,5,SOCKET 1/4" 4.5 MM
D 20 5,SOCKET 1/4" 5 MM