aluminum construction provides a sturdy, corrosion resistant handle for reliable long term use on RV waste valves. Ergonomic design: T style handle with a slight curve delivers a comfortable grip and smooth operation when opening or closing the valve. Quick, tool installation: Internal threads allow direct screw on to the valve rod; no extra tools required; fits securely on the waste valve's 1/4 inch threaded stem. Broad compatibility: Designed to fit 1 1/2 inch gray water valves and 3 inch black water valves; replacement for Camco Valterra and most brands. Specifications at a glance: Material aluminum; Stem thread 1/4 inch; Fits 1 1/2 inch gray water valve and 3 inch black water valve. Use scenarios Replacing a worn or hard to turn valve handle on a grey water valve (1 1/2 inch) or a black water valve (3 inch) during routine RV maintenance. On the road or at a campsite when a quick, tool replacement is needed to restore valve operation with minimal downtime. Installing in tight storage compartments where the curved, ergonomic T style grip provides better reach and control.