Sectional Sewer Rod Connection Coupling Size:For 5/16" Rods These are normally used for

These are normally used for tap cutting as they get close to the pipe wall than the concave style

These are your heavy duty Sewer Porcupines that are mainly used as a finishing tool after the line has already been cleaned

You pay more but in the end you pay less

Made from the finest high tensile Spring steel

The sides have the hole pattern at the top 50% of the trap so you catch the sand and fine particles that settle down to the bottom

Sectional Sewer Rod Connection Coupling Size:For 5/16" Rods These are normally used forNow you can purchase the sectional rod couplings alone to change out if they have worn out on your rods. Some times even though theyre hardened, the couplings can wear down over time and damage the lateral bend in the rod that holds it in the coupling. These replacements are made of alloy steel and heat treated to 55 Rockwell on the C scale for long life and durability. Made to exacting standard so they will fit similar rods made by other