Product Overview Alternative Pain Treatment SEIREN J Type Acupuncture Needles are easy to use in therapeutic settings including chiropractic treatment or physiotherapy. They are made with a new technology that allows for smooth painless insertion using less pressure and have soft-touch tops for comfortable use. The easy-grip plastic handles are colour coded by diameter for easy identification and include a guide tube. Made from high quality surgical stainless steel. Available in a box of 100 needles in various guages and lengths. For use in physiotherapy or chiropractic settings J Type is the most popular SEIRIN needle Colour-coded, easy-grip plastic handles with soft-touch tops, and guide tube included Red: 0.16mm diameter Blue: 0.20mm diameter Purple: 0.25mm diameter Brown: 0.30mm diameter