Item Type: Glass Tube There are four kinds mushroom tube, bend tube, tongue tube and comb tube: one comb to comb your hair, one acne cleaner, one was used to clean your forehead and cheeks, one was used to clean your nasal sites. Generally indicated in the improving of aging skin, scalp and hair. Note: The product contains four types for you to choose. Material: Glass Specification: Length: Comb Type: 15.5cm/6.10inch Tongue Type: 15cm/5.90inch Mushroom Type: 15cm/5.90inch Bend Type: 15cm/5.90inch Package Includes: 1 Piece High Frequency Machine Tube Note: Color might be slightly different due to the color calibration of each individual monitor. Please allow slightly measuring deviation due to manual measurement.