扭剪扳手的碳刷较好用原装厂的碳刷，原装厂的碳刷都是经过成千上万次试验而挑选出的厂家的碳刷，耐用并且不容易损坏电机，市场低廉的碳刷不仅不耐用，而且容易损坏扳手的电机。所以建议大家用原厂的碳刷以及原厂配件。
The carbon brush of the torque wrench is better to use the carbon brush of the original factory. The carbon brush of the original factory is selected from high-quality manufacturers through thousands of tests. It is durable and not easy to damage the motor. The carbon brush of the low market is not only durable, but also easy to damage the motor of the wrench. So we recommend that you use the original carbon brush and original accessories.
