Feature●Fits all 3 inch and 4 inch male/female rv sewer cap - One wrench has all 3 inch tools and the other has all 4 inch tools, while both have the spanner wrench●Minimal contact/touch - Helps grip the RV sewer hose fittings. Interlock both wrenches with the camper sewer hose and twist. Works both for connecting and un-connecting. Keeps your hands clean and allows those with arthritis to easily connect and un-connect sewer hoses.●Fits the majority of RV Sewer Hoses but all sewer cleanout covers●Note: NOT COMPATIBLE with Valtera Sewer HosesDescription