Rugged diecast aluminum housing with high mechanical, Rated IP67 with waterproof, oil-tight and dust-proof construction, Easy to install and maintain, Wide range of actuators:Roller levers: short, medium, long; flush mounting; flange mounting. Adjustable levers: roller lever, rod lever, Fork roller levers, Plungers: plain top, top roller, top ball, plain side, side `roller, side ball, Wobble levers: steel wire, nylon rod, coil spring