The 3/8" x 4" Spring Wing Toggle Bolt with Wingnut is an essential fastener for secure mounting in hollow walls. This toggle bolt features a zinc-plated finish that provides excellent corrosion resistance, ensuring durability in various environments. The spring wing design allows for easy installation and a strong hold, making it ideal for hanging heavy items. With a length of 4 inches, it is suitable for a range of applications, from drywall to plaster. This toggle bolt meets industry standards for strength and reliability, making it a trusted choice for contractors and DIY enthusiasts.