SMALLRIG 1638C TOP HANDLE WITH COLD SHOE 

This solid aluminum 1638C Top Handle from SmallRig features a shoe mount and multiple 1/4"-20 and 3/8"-16 threads to add additional accessories to your rig. It attaches to your camera cage using two included 1/4"-20 screws that are spaced 1 to 1.4" apart and can be tightened with the included Allen wrench.