N1 R72 3040-022789 Pinion Shaft Elevating Mech2A46-21-31 , N1 R72 Gost-17473-80-B-M6-8Gx16-58Aroh-544 Screw Bm6-8Gx16.58.C06 Hand Wheel Assy ,N1 R72 5340-008527 Handle For Elevating Mech 2A46-21-40 , Lv1 R72 172.45.178.1 Gear Driving , Lv1 R72172.45.173.2 Coupling Driven Quantity: 292