The ESSENTRA / RICHCO part SR-5075B is a high-quality black snap push-in rivet made of UL94 V-2 nylon. It is designed to securely fasten panels with a compatible hole diameter range of 5.1 - 5.2 mm (0.201 - 0.205 in) and a compatible panel thickness range of 4.5 - 5.5 mm (0.177 - 0.217 in). The anchor length of this rivet is 7.5 mm (0.295 in), providing a strong and reliable connection.