1. material: made of hard metal, which ensures the high hardness and durability of the shearing head and ensures a long service life. (2) Dual size design: Contains two types of cutter heads, 13-tooth and 4-tooth, which are suitable for different shearing needs, the size of the 13-tooth cutter head is 81x59mm and the size of the 4-tooth cutter head is 65x30mm, which meets diversified shearing work. 3) Improved shearing performance: The improved tooth design ensures a faster shearing speed, suitable for shearing wool and other animal hair, including greasy and sticky hair, such as cow hair, horse hair, etc. 4) Versatility: not only suitable for shearing wool, but also for a wide range of animal hair, which expands the application range of the shearing machine. 5. Includes Kit: The kit includes 1 x 13-tooth cutting head and 1 x 4-tooth cutting head, providing users with two different cutting options, increasing the flexibility of use. Package includes:1 x 13 teeth shaving head1 x 4 teeth shaving headPlease note: 1.Please allow a little error due to manual measurement. 2.The color maybe a little difference due to light, screen reflection etc. 3.If you are not sure which size to choose, you can tell us your needs and we will recommend the right size for you. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.