💖【High -quality materials】Carbon brushes the materials are mainly made of carbon powder and graphite. The raw materials are used for entire materials and the material quality is higher. Exchange of coal brushes has the properties of wear, resistant and durable. Each carbon brush was artificially written off without errors. The wire material of the head is pure copper, and the wires are thicker (weaving), the floor is flat, without defects, which has a more stable performance at work. 💖【Unique Design】Replace the carbon brush, check whether your anchor burns or is damaged, these damage may not be able to solve the engine problem. 💖【Excellent Performance】If there is sparks when you come across a new carbon brush, please run for 1-2 minutes. The sparks disappear after grinding, of course. 💖【range】Carbon brushes for power tools can be applied to various power tools and engines, and the type of machines is very wide. Like boring hammers, circular saws, separating saws and angle grinders can also be used. 💖【Package Contents】You can get 40 electric brushes carbonin 10 sizes, each sizes 4 pieces (7 x 17 x 19 mm, 5 x 11 x 18 mm, 6.5 x 7.5 x 13 mm, 6.5 x 18 mm , 6 x 10 x 17 mm, 6 x 9 x 14 mm, 7 x 11 x 18 mm, 6 x 8 x 14 mm, 5 x 8 x 13 mm, 5 mm). With 1x transparent memory box, the existence of a transparent memory box can make your memory easier.