Motorised worm gear box is available for all models. Flange Mounted - Hollow input and / or hollow output shaft with flange mounting for direct coupling of Electric motor to the gear box. Vast Range of models suit every individual's requirement. Some Models like C.D.50, 60, 75, 85 mm, Ratio 30:1 in Adaptable Models are usually available Ex-stock or on short notice. Center Distances from 25 mm to 400 mm. In Single or Double Stage Reductions Ratios from 5:1 to 4900:1 Also made as per customer's specifications, Drawing, requirements.