Zinc Plated Joint Pin Couplers are made using quality grade sheet metal that ensures long lasting usage. These Joint Pin Couplers are suitable for the internal connection of two tubes end-to-end. These Joint Pin Couplers are offered in zinc plated finish and are designed with 48 mm tube and 21 mm nut. Zinc Plated Joint Pin Couplers come in different specifications to cater to specific requirement.