Stainless steel blades are polished and nickel-plated, sharp and durable; A movable safety shield is installed on the blades to prevent over cutting; Spring devices between the handles allow smooth cutting and trimming; A safety lock allows you to lock the clipper when it's not in use and ensures safe storage; A nail file at the end of the handle is used to trim the nail after cutting; The handle is made of environmentally-friendly TPE and PP materials; Protects human and pets from skin allergies