ENHANCED DURABILITY - Constructed with robust materials, the Glow EZ Lock Speedring Insert ensures long-lasting performance, withstanding frequent use in professional photography settings. SEAMLESS COMPATIBILITY - Designed specifically for Profoto lights, this 130mm speedring insert guarantees a secure and precise fit, optimizing light modifier performance for your equipment. ULTIMATE EASE OF USE - The EZ Lock system allows for quick and effortless attachment and detachment of softboxes, saving valuable time during photoshoots and location changes. SECURE AND STABLE FIT - Provides a reliable connection between your Profoto strobe and softbox, preventing slippage and ensuring consistent light quality throughout your shoot.