1FAST SPRINGBACK: Blood lancing device adopts a quick springback design to relieve soreness, reduce wounds, safe and reliable, help improve work efficiency. 2MULTIPLE APPLICABLE SCENARIOS: Blood lancet pen is suitable for different scenarios, such as cupping and bleeding, acupuncture, massage, etc. Perfect for home, physiotherapy institution, etc. 3DEPTH ADJUSTMENT: The penetration depth of the lancing pen can be precisely adjusted to suit individual skin requirements, user friendly operation, perfect for men and women. 4FINE WORKMANSHIP: Attention to details, no stuck lancet, no shaking, applicable for removing blood stasis. Exquisite appearance, beautiful and practical. 5COPPER MATERIAL: Blood sampling pen is made of great copper material, safe and eco friendly, firm and sturdy, not easy to deform, stable and durable.