Female part of a clevis and tongue coupling with a U-shaped opening into which the tongue coupling can be fitted. Tongue and clevis are the most popular couplings for long rod insulators. Tongue and Clevis offers connections to a tongue or a plate on one end and a clevis at the other. Different sizes are available to suit various thickness and clevis gaps. Product can be developed to suit any other connector. clevis eyes, clevis clevis are made of forged steel and are hot dip galvanized for protection against atmospheric corrosion. Combination are selected for a string in accordance with connecting fitting . Each clevis eye , clevis clevis will take a rivet or a bolt and nut to meet the mechanical strength requirements.