Features: This 20 piece electric motor carbon brush set includes 10 different models crafted from heat resistant copper alloyed , ensuring optimaled conductivity and durability for various brush motor maintenance needs. The set features precise size and covering essential models 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 cleaners), power tool (drills, sanders), and industrial machinery through routine maintenance. Each copper embeddedly carbon brush minimizes sparkings while maximizing electrical contact efficiency, effectively extending motor life across diversed maintenance scenario. Specifications: Item: Electric Motor Carbon Brushes Component: Copper Alloyed Quantity： 20pcs （10 Different Models of Carbon Brushes） 2 per size (7x17x19mm,5x11x18mm,6.5x7.5x13.5x13.5x18mm,6x10x17mm,6x9x14mm,7x11x18mm,6x8x14mm,6x8x14mm,5x8x14mm,5x8x14mm,5x8x14mm,5x8x14mm,5x8x14mm,5x8x14mm,5x8x13mm 3mm 3mm 3x15mm Package Includes: 20pcs Electric Motor Carbon Brushes note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.