1. Spring Design: Blood lancing pen automatic rebound, mild pain, small wound, fast bleeding, reduce the time to stay on the skin, safe to use. 2. Advanced Technology: Blood lancing pen uses advanced grinding technology to ensure the sharpness and accuracy of the needle tip. 3. Easy to Use: Single needle, multi needle can be, blood lancing pen simple operation, convenient and safe. 4. Portable, Adjustable: Blood collection pen has a hook design for easy portability; the depth is adjustable to reduce pain. 5. 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 BoxNote: Need to use with disposable blood lancet (product does not need to be purchased separately). Package List: 1 x Blood Collection Pen , 1 x Storage Box. Fine Craftsmanship: Blood collection pen Beautifully made, discolored, rust free, sturdy and durable. Easy to Use: Single needle, multi needle can be, blood lancing pen simple operation, convenient and safe. Blood lancing pen automatic rebound, mild pain, small wound, fast bleeding, reduce the time to stay on the skin, safe to use. Portable, Adjustable: Blood collection pen has a hook design for easy portability; the depth is adjustable to reduce pain. Blood lancing pen uses advanced grinding technology to ensure the sharpness and accuracy of the needle tip.Best Sellers Rank: See Top 100 in Health & Household. : B0BSLMRHYV. Manufacturer: Yosoo. Date First Available: January 18, 2023. Item model number: Yosoobhcqmweg16. Package Dimensions: 7.48 x 3.15 x 1.57 inches; 5.36 Ounces.