The shield lock makes it easy to fix the helmet shield to the cycling helmet. Their design is not only stylish but also functional, providing a secure fit for the accessories. There are plenty of replacements and backups available, ensuring long-term use. These accessories are made of premium plastic materials, perfect for outdoor use. Features -Color:Black -Material:Plastic -Size:4.14X4.14X1.00cm/1.63X1.63X0.39in -Helmet shield locks provide an added layer of security for your helmet shield, preventing it from opening unexpectedly while riding. -These shield fasteners are easy to use, with a simple locking mechanism that requires no extra tools. -Using good plastic materials, helmet lens fasteners are built to last. They can withstand the wear and tear of regular use. -These shield fasteners are compatible with a wide range of helmet models and shield types. -Available in such a large quantity, there is no worry about replacements, perfect for riding enthusiasts. Package list: 4 x pairs of Helmet Shield Locks