This package includes 1,00 hex screws with slotted design and a 1/4" hex drive size. The screws are made of Grade 2 steel material with a green zinc finish. The thread size is #6-32 and the thread length is 3/8". The screws are ideal for use as grounding screws in various applications. The item length is 3/8" and the unit of measurement is in inches. The screws come in a pack of 1,000 and are suitable for use in a variety of systems.