Easy to Use: Single needle, multi needle can be, blood lancing pen simple operation, convenient and safe. Portable, Adjustable: Blood collection pen has a hook design for easy portability; the depth is adjustable to reduce pain. Spring Design: Blood lancing pen automatic rebound, mild pain, small wound, fast bleeding, reduce the time to stay on the skin, safe to use. Advanced Technology: Blood lancing pen uses advanced grinding technology to ensure the sharpness and accuracy of the needle tip. Fine Craftsmanship: Blood collection pen Beautifully made, discolored, rust free, sturdy and durable. Specification: Item Type:BloodCollectionPen Material: Metal Uses: Used to collect uncut blood Wide range of applications, such as cupping and blood drainage, acupuncture, massage, physiotherapy, etc Note: Need to use with disposable blood lancet (product does not need to be purchased separately) Package List: 1 xBlood Collection Pen 1 x Storage Box Specification: Item Type:BloodCollectionPen Material: Metal Uses: Used to collect uncut blood Wide range of applications, such as cupping and blood drainage, acupuncture, massage, physiotherapy, etc Note: Need to use with disposable blood lancet (product does not need to be purchased separately) Package List: 1 xBlood Collection Pen 1 x Storage Box