Type: Single-needle lockstitch machine. Motor Type: It is a clutch motor, which operates continuously while the machine is on, using a clutch mechanism to engage the sewing speed. Power and Speed: These motors often feature power ratings around 400W to 550W (approximately 1/2 HP) and can reach speeds of 3450 RPM, providing high torque for sewing thick materials like denim or leather. Use: Suitable for medium to heavy materials, with some models offering speeds up to 5,000 stitches per minute.