1FAST SPRINGBACK: Lancing device adopts strong spring, high speed telescopic automatic springback, small wound and fast bleeding, reducing the time it stays on the skin, safe to use. 24 LANCETS HOLDER: Blood sampling pen can hold 4 lancets (not included) for simultaneous blood collection, 4 times the amount of bleeding, reduce soreness, improve work efficiency. 3ADJUSTABLE DEPTH: The operation is more user friendly, and the penetration depth of the lancet can be precisely adjusted to suit individual skin requirements, make it more comfortable to use. 4ALUMINUM ALLOY MATERIAL: Metal paint pen body, no fading, overall looks exquisite and beautiful. Blood lancet pen adopts aluminum alloy material, anti rust and firm, stable and durable. 5PORTABLE DESIGN: Designed with pen clip for easy fixing, comes with storage box, avoid dust and prevent loss. Lancing pen is suitable for beauty salon, physiotherapy institution, etc.