The toilet tank trip lever forces the toilet tank flapper, ball, or other device to release the water from the tank to flush the waste out of the toilet bowl. Trip levers are made out of either metal or plastic. Tripp Lever handle and arm are typically sold as one unit . The finished portion (handle) can match the the decor of the bath or powder room. Trip levers can be either side mounted, front mounted or top mounted on the toilet tank. Some of the manufactureвЂ™s trip levers that North Shore Faucets,Inc. carry are: American Standard, Briggs, Case, Coast, Crane, Delta, Eljer, Gerber, Icera, Indiana Brass, Icera, Kallista, Kohler, Lavalle Industries, Mansfield, Porcher, Saint Thomas Creations, Toto, Generic Universal, Universal Rundle, Wolverene Brass.