Manual Sewing Machine】Manual machines can better grasp strength and accuracy of machine operation. The speed can controlled and adjusted at any time, presser foot can be rotated 360 degrees to adjust sewing route at any time to obtain a more perfect stitch. Efficient Quiet】Manual machines can better grasp strength and precision of machine operation. leather shoe sewing head has a maximum sewing speed of 500 SPM. Low-noise operation is essential for fine sewing and will create a quiet working environment for you. All-Around】This arm allows you to get into places that most other machines can't. walking foot works great, by turning foot you can sew in any direction, full range of operation allows you to sew in any direction without turning work over. It's really convenient. High Quality】sewing machine head is made of high-quality cast iron, which has good toughness and hardness and can serve you for a long time. shell is spray-coated to enhance corrosion resistance and extend service life. with more convenient sewing operations. service: we value our customers' shopping experience. if you have any questions, please feel free to contact us, and we will respond as soon as possible within 24 hours