1.Stronger and Comfortable With Pro version ,More compact design and it is much higher strength than the old version. with the new design handle grip ,it is also much comfortable.
2.3 Cold Shoe Mounts and 4 1/4"-20 tripod threads With Pro Version ,You can mount 2 LED Lights and Video Microphone at the same time with the three cold shoe mounts and twp 1/4"-20 tripod threads on the top. One 1/4"-20 tripod thread on the righ ,you can mount it Vertical, or use 1/4"-20 tripod thread at the bottom ,you can mount it on any tripod .
3.More Secure and Stable The Pro Version with Spring clip and a secure screw lock ,it is much salfer than the old version and with compact design ,it is much stable than the old version .