Made of CNC aluminum alloy material,durable,high strength. Reduction gear design,adopt 110CC four stroke motorcycles starting motor with 6:1 reduction gear, less circuit loss , large for torque. Adopt wear resistant rubber head, non skid conical start rubber head so as to better grasp the helicopter rear moving rod or fixed wing slurry cover and better in case of skidding. Sensitive touch switch, engineering design,easy to operate on rc fixed for wings and helicopter. 4.0 thick glass fiber version to support all plate,which is durable;Fits for Mayatech TOC80 eectric rc model. Specification: Starter:Approx.240x82x144mm/9.45x3.23x5.67 inch Starter Outer Diameter:Approx.56mm/2.20 inch;Inner Dia.Approx.51mm/2.01 inch;Height:Approx.43mm/1.69 inch Suitable for 45-90 grade methanol fixed wing, cover above 2.25 inch Suitable for 10cc-80cc gasoline fixed wing, cover above 2.25 inch Package Includes: 1x Engine Starter Note: A single power on market should be 3 seconds, and the consecutive times should be 5 times. Please cool it before using it. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.