The JINFOLI 2pcs Vaccum Cleaner Timing Drive Belt 2M-142-6 is designed for use in conjunction with 71 synchronous conveyor units in household vacuum cleaners. With a perimeter width of 142mm and a tooth width of 6mm, this belt ensures precise and reliable performance. Its timing drive feature makes it easy to adjust the belt's speed, allowing users to clean more efficiently and effectively. The belt is made of durable, high-quality materials that can withstand the rigors of household use, ensuring long-lasting performance. With a maximum length of 2m, this belt can cover a wide range of surfaces, from carpets and upholstery to floors and stairs. Overall, the JINFOLI 2pcs Vaccum Cleaner Timing Drive Belt 2M-142-6 is an excellent choice for anyone looking for a high-quality, efficient, and durable timing drive belt for their household vacuum cleaner.