A. Made of aluminum alloy materials processed by CNC, it is durable and has relatively high strength. B. It adopts a reduction gear design, is equipped with a 110CC four - stroke motorcycle starter motor and a 6:1 reduction gear, and has relatively low circuit loss and relatively high torque. C. It uses a wear - resistant rubber head, a non - slip conical starting rubber head, which can grasp the helicopter's rear moving rod or fixed - wing blade cover and prevent slipping. D. It is equipped with a sensitive touch switch and is carefully engineered for easy operation on remote - controlled fixed - wing aircraft and helicopters. E. It uses a 4.0 thick fiberglass board to support all panels and is relatively durable; it is suitable for Maya Technology TOC80 electric remote - control models. F. Specifications: - Starter: Approximately 240x82x144 mm/9.45x3.23x5.67 inches - Starter outer diameter: Approximately 56 mm/2.20 inches; inner diameter approximately 51 mm/2.01 inches; height approximately 43 mm/1.69 inches - Suitable for 45 - 90 grade methanol fixed - wing aircraft with a blade diameter of over 2.25 inches - Suitable for 10cc - 80cc gasoline fixed - wing aircraft with a blade diameter of over 2.25 inches G. Package contents: 1 engine starter H. Precautions: The single startup time on the market is generally recommended to be controlled within 3 seconds, and the number of continuous startups is usually 5 times. Please let it cool down before use.