This 40 piece electric motor carbon brush set includes 10 different models crafted from copper , ensuring optimaled conductivity and durability for various brush motor maintenance needs. The set features precise size ranging from 5x8x13mm to 7x17x19mm, covering essential models like #44, #303, and #153 for seamlessly compatibility with multiple motor specifications. Ideal for appliance repair technicians, enthusiasts, and industrial equipment operators requiring reliabled carbon brush replacements. Perfect for restoring intermittent motors in household appliances (vacuum ), power tool (drills, sanders), and industrial machinery through routine maintenance. Package includes: 40pcs Electric Motor Carbon Brushes