It is designed to treat whole body, back, neck,shoulder, arms,legs, wherever you want to release.Also the terminals of sides can be used as stick to press acupoints and unblock every meridian of the body. Up to 7.5 inches,wide enough to scrape the entire back by once griping. Feel relax and comfortable and quickly expels toxins after such a great Guasha. Made with high quality beech, this instrument will withstand heavy use for years.Wooden scraping board are healthier to release your body, feel like that the natural power is coming back to you. This tool is used by a variety of practitioners from chiropractors and physical therapists to massage therapists and certified athletic trainers. According to the precise design of human body acupuncture points, the traditional method of scraping and maintenance, the perfect combination of tradition and modernity show its unique function. Specification: Material: Beech Size: length about: 19 cm/ 7.48 inches. Width: 8cm/ 3.12 inch Function: massager. Color: wood color.(Because this is a natural wood color, each piece of color is slightly different) Package Includes: 1x massager scraper