The LOCK WASHER SPLIT USS ZINC 3/8" GR 5 is engineered to provide reliable locking capabilities, preventing loosening under vibration and torque. Made from high-quality steel and coated with zinc for corrosion resistance, this washer is ideal for use in automotive and industrial settings. With a 3/8" inner diameter and a Grade 5 rating, it ensures optimal performance in securing bolts and screws, making it an essential component for assembly and maintenance tasks.