1、4 LANCETS HOLDER: Lancing pen can accommodate 4 lancets (not included) for simultaneous blood collection, 4 times the amount of bleeding, reduce soreness, improve work efficiency. 2、FAST SPRINGBACK: Blood sampling pen adopts strong spring, high speed telescopic automatic springback, small wound and fast bleeding, reducing the time it stays on the skin, safe for use. 3、ADJUSTABLE DEPTH: More user friendly operation, the penetration depth of the lancet can be adjusted to suit individual skin requirements, considerate and reliable. 4、MULTIPLE APPLICABLE PLACE: Use with cupping cup to easily remove blood stasis. Lightweight and in small size, lancing device is suitable for home, beauty salon, physiotherapy institution, etc. 5、EXQUISITE WORKMANSHIP: Metal paint pen body, no fading, fashionable and beautiful. Blood lancing device is made of aluminum alloy, anti rust and firm, durable for use.