ENHANCED DURABILITY - Constructed with robust materials, the Glow EZ Lock speedring insert ensures long-lasting performance and withstands frequent use in professional photography settings. SUPERIOR COMPATIBILITY - Designed specifically for Bowens flash heads, this 144mm speedring insert guarantees a seamless and secure connection with your existing lighting equipment. ULTIMATE EASE OF USE - The Glow EZ Lock system allows for quick and effortless attachment and detachment of softboxes, saving valuable time during photoshoots and location changes. PROVIDES A SECURE FIT - Engineered for a tight and wobble-free connection, this speedring insert ensures your softbox remains firmly in place, preventing light leaks and maintaining stability.