The moisture meter can quickly measure the moisture content of the grain. 1. ASSEMBLY: Fits Traxxas 1/18 RC track, reasonable design, easy installation and disassembly, can directly replace original or damaged parts for higher strength. 2. DUST RESISTANCE: The gearbox helps to prevent dust and debris from entering the front gears and pinion, ensuring a quiet and efficient drive system that is reliable to use. 3. WITH MOUNTING SCREWS: Strong and strong gearbox can achieve the best performance, improve the overall performance and durability of RC track. 4. MOTOR TRANSMISSION: Built-in excellent steel motor transmission, delicate and smooth, solves the gear transmission noise problem and makes the RC car very quiet. 5. ALUMINUM ALLOY MATERIAL: The RC gearbox housing is made of aluminum alloy, which is wear-resistant, rust-resistant and durable for better RC track control. Specification: Item Type: RC Accessories Material: aluminum alloy, steel Product Size: approx. 34 x 33.5 x 27mm / 1.34 x 1.32 x 1.06 inch Mounting: fits Traxxas 1/18 RC track List of packages: 1 x Transmission 1 x Engine Transmission 4 x Screw Note: 1. 2.