The fast, easy way to make your trailer ball fit snugly into your ball mount for safe, quiet towing.
Reduces hole size, allowing use of trailer balls with smaller shank diameters. Protected by a durable yellow zinc-plated finish.
Before You Order
Verify part number 21101 exactly Match the listed product details to the part you are replacing before ordering. Compare dimensions, specifications and fitment information with your RV or component.
Frequently Asked Questions
What part number should I verify before ordering?
Verify 21101 on your existing part, documentation or equipment label before ordering.
How should I confirm this part fits?
Compare the listed part number, dimensions, specifications and fitment details with your existing component. Do not rely on appearance alone.
