D 20 5,5,SOCKET 1/4" 5.5 MM
D 20 5/16AF,SOCKET 1/4" 5/16"
D 20 6,SOCKET 1/4" 6 MM
D 20 7,SOCKET 1/4" 7 MM
D 20 7/16AF,SOCKET 1/4" 7/16"
D 20 7/32AF,SOCKET 1/4" 7/32"
D 20 8,SOCKET 1/4" 8 MM
D 20 9,SOCKET 1/4" 9 MM