Features: Upgrade your charging systems with this strong 135 minutes Mechanical Timer featuring erosion resistant stainless steel housing, designed for precise charges control in series and CBC7350 compatible devices. The heavy duty metal construction ensures effect resistance while the sealed structure maintains stable operate in harsh environments, complete with pre installed screws for secure mounting. Ideal for automotive enthusiasts, owners, and equipment operators requiring stable timed charging for batteries in power tools, vehicles, or marine applications. Perfect for garage workshops, industrial site , or outdoor settings where scheduled charging prevents overcharging of ATVs, motorcycles, lawns tractors, and backup power systems. Effortlessly replace outdated timers using included components shaft holes, secure terminals with erosion resistant screws, and verify smooth knob rotation for fast functionality restoration. Specifications: Component : Stainless steel Side length: about 4cm/1.57inch Package Includes: 1 set Mechanical Timer note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.