Tilta III DSLR Universal Front Handgrisp 15mm / 19mm rod rail system rig For Fit all camera dv video CNC DSLR photographic rubber skid proof universal handle grip special lock system which always use to lock the heavy mold. 3 spindle allows you to adjuste it to any angle you want. Made by durable steel Special lock design better than traditional rosetta lock system Anti-skid silica gel handle Snap-on rod bridge accommodates both 15mm and 19mm rod systems. Special locking system, more durable and stable than the rosetta lock design. The smart hollow out design saves a lot of weight for the cameraman. We always put attention to lower the weight.