[Hook-to-hook Determines Fit] The opening width of 10 1/4" between the hooks determines the best fit. [Most Common Fit for 4' Fixtures] The LPM 4′ Wrap Around Lens measures 47 13/16" in length, making it ideal for the most common 4 light, 4' lighting fixtures. [Dimensions] With a width of 11" and a height of 1 3/4", this wrap-around lens offers comprehensive coverage and protection for your lighting fixtures. [High-Quality Material] Constructed from clear prismatic diamond pattern acrylic, ensuring durability and optimal light diffusion. [Versatile Replacement] Capable of replacing OEM parts providing a seamless fit for various lighting systems. [Ideal for Fluorescent and LED Lights] Suitable for both broken wrap-around fluorescent light lenses and wrap-around LED light lenses, offering a versatile solution. [Made in USA] Proudly made in Minnesota USA The LPM 4' Wrap Around Lens, measuring 47 13/16" in length, is designed to fit 2 light 4' lighting fixtures. Use the opening width of 10 1/4" between the hooks to determine best fit. Made from durable clear prismatic diamond pattern acrylic, it ensures optimal light diffusion and long-lasting performance. Suitable for both broken wrap-around fluorescent and LED light lenses, it offers comprehensive coverage with its 11" width and 2" height, ensuring your lighting fixtures are well-protected and functional.