100% brand new and high quality Dermal needle treatment is one part of the Chinese sciences of acupuncture. It rap the skin to dredging the channels, protect viscus, and prevent disease. Its popular for its cheap price and easy using. Pipe type: Single sided, Disposable, 13 exchangeable heads, Water buffalo horn handle. How To Use: 1. Clean the skin. 2. Rely on the wrist strength to rap the skin vertically and release quickly. Specification: Material: Plastic, Metal Handle length: 15cm(5.91in)(approx) Color: Black Quantity: 1 set Package includes: 1 Pcs * Handle 13 Pcs * Exchangeable Heads Note: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color which is showed on the pictures. 2. Please forgive 1 cm/0.39"-3 cm/1.18" measuring deviation due to manual measurement.