The unique Multi Pro Cartridge Heater will hold up to 6 cartridges, ideal for use in busy salons, and is suitable for use with 80g and 100g Roller Depilatory Cartridges and 80g Spray Paraffin Cartridges. Enables roller depilatory cartridges to be heated efficiently within one unit, delivering a quick, hygienic method of depilatory waxing. The 80g roller wax cartridges can fit any size of roller head, therefore any combination of roller cartridges you choose can be heated.