This Spotlight Mount Set with a 19 or 36 Lens is a versatile Bowens-mount modifier for precise and dramatic lighting. It features a dual drop-in slot for the included gobo holder, gel holder, or optional iris for beam customization. The swappable 19 lens ensures hard cuts with minimal chromatic fringing, while the durable aluminum alloy housing ensures long-lasting performance. Whats in the box: Beam tube with lens*1 pcs gobos *20 pcs gobo holder *1 pcs color filter *4 pcs color filter holder *1