Suresales corporation supplies a wide range of couplings manufactured by gerwah gmbh, germany, a company founded in 1980. Gerwah line of companies is leaders of manufacturing and designing of zero-backlash flexible couplings and torque limiters for machine tool and automation markets. These locking assemblies from gerwah gmbh are useful for internal clamping of connection for high torque values, also self-centring with large tolerances. The other products available in india from gerwah companies are miniature couplings, metal bellow couplings, servo insert couplings, safety couplings, permanent magnetic clutches, locking elements, shrink discs.