NMRV Gearbox with Double Extension Output Shaft! Specifications: 1. Aluminum alloy housing 2. High quality bearings prevent leaks, contribute to flexibility in mounting and increase reducer life 3. NEMA and IEC motors inputs 4. Double-lip oil seals 5. O-rings is used to prevent leaks 6. Standard hollow output bore and optional plug-in shafts provide greater flexibility. 7. Automated manufacturing process from an ISO9001 certified company assures quality, reliable gearing. NMRV worm gearbox made of aluminium alloy casing. It' s of beautiful appearance, light weight, non-rust for ever. It' s widely applied in light industry, chemicals, food, packing, pharmaceuticals etc trades; Productive automated line, conveyor line, assembly line and so on.