This Cord Grip features a PG thread design, crafted from aluminum for enhanced durability and lightweight performance. Designed for cable ranges from .250 to .312 inches, it provides secure and reliable connections in various applications. The PG21 size ensures compatibility with a wide range of cables, making it versatile for different setups. This cord grip includes an O-ring for added sealing and protection against environmental factors. Meeting industry standards, it is ideal for use in demanding environments, ensuring long-lasting performance.