1Fits Most Rv Sewer Hoses: Designed to be used as a sewer cap wrench and sewer hose connection wrench, suitable for most RVs, includes a wrench for 3 inch caps and a wrench for 4 inch caps. 2Sturdy and Durable: Crafted from all weather impact Abs material, the Rv sewer wrench has high tear strength and impact resistance. It is not easy to break and can be reused. 3Easy to Use: The Rv sewer hose wrench can be used with slotted, flush sewer plugs and 3 inch or 4 inch male or female plugs. Simply interlock the two wrenches and twist easily to loosen or tighten at the dump station. 4User Friendly Design: This pair of Rv sewer hose wrenches features an interlocking design and comfortable grip, making it easy to use with minimal force and movement. 5Keeps Hands Clean: The Rv sewer wrench allows you to connect and disconnect the sewer hose with minimal contact, helping you maintain a clean and sanitary condition of your hands.