The 4461A Retractable Lever is a standard accessory for the Campden and Lafayette Instrument operant test chambers for mice. It can be easily fitted to any modular or touch screen chamber.Quality tested to 20,000 operations, this new design is compact and features a quiet press mechanism.
Featuring the high quality design, material and construction details as the standard rat modular chambers except smaller in size. Comes equipped with a perforated stainless steel non-shock floor.