The Mansfield 45 chrome trip lever is designed for the models 123, 124, 153, and 155. This lever is unique, because of the shape of the metal arm, and the hook at the end of it. This lever will be installed on the left hand side of the tank when facing the toilet. It will also include the reverse threaded locking nut to secure the lever to the tank. Reverse threaded means you will turn the nut to the left to tighten, and right to loosen it.
