888A-5 Fri-direction four-tongue
internal& external cross lock 
 
888A-5W Fri-direction four-tongue
internal& external cross lock 
 
888A-5-X lock box
888A-7 Dual-tongue
internal & external cross
lock (crab clipping)
888A-7W Dual-tongue
internal & external cross
lock (crab clipping)
888A-7-X lock box