√ No hitch pin or clip is required. This Tow Hitch Cover is designed to fit standard 2" trailer hitch receivers. Compatible with most models hitch receivers. Keep your trailer hitch receiver tube protected and clean against water, debris, dirt and rust when not towing. · · √ This hitch plug is constructed from heavy duty rubber, tough and durable. Trailer Hook Dust-Proof Plug. Can be used for many years. · √ EASY TO INSTALL. This hitch cover is designed for optimal convenience, allowing you to install it in a moment, whenever needed. Just fit it into the hitch receiver and push it into place. It's that simple! Our hitch plug is designed to fit tightly and stay firmly and NEVER FALL OFF. No hitch pin or clip is required. GREAT FOR GIFTS - The Flag Tow Hitch Cover is perfect gift to your family members. Design Patent pending.