The Rockville RMH2B will hold 2 large moving head lights. It is compatible with most large moving head lights. To check compatibility make sure the height of your light is between 14" and 24" inches. Then measure the base of the light and make sure the long side is between 8 and 11.75 inches. Then measure the smaller side and make sure it is between 6 to 10 inches.. . Our case is what we consider to be the best in the world. We use a combination of high density hardened foam, and medium density EPE foam, and soft cushion foam to give you the best protection. We also include small, medium, and large extra foam with Velcro on them so you can customize the case to protect your specific light even better. This makes our case more universal than any other moving head case we have seen. It also offers additional protection.. . The butterfly mechanism is industrial grade and should last a lifetime. There are holes to fit 2 pad-locks.. . There are 4 industrial grade 3" caster wheels. 2 of the wheels have locking brakes.