D 20 1/2AF,SOCKET 1/4" 1/2"
D 20 1/4AF,SOCKET 1/4" 1/4"
D 20 10,SOCKET 1/4" 10 MM
D 20 11,SOCKET 1/4" 11 MM
D 20 11/32AF,SOCKET 1/4" 11/32"
D 20 12,SOCKET 1/4" 12 MM
D 20 13,SOCKET 1/4" 13 MM
D 20 13/32AF,SOCKET 1/4" 13/32"
