SurgiLance Safety Blood Lancets Pink (SLN300). 21G x 2.8mm penetration depth, 40-60uL (Medium-High Blood Flow). SurgiLance™ safety lancet is known for its comfort and ease of use, and it is also renowned for its innovative design features that make it an ideal choice for performing fingersticks where fingerstick safety and fingerstick injury prevention are paramount. 100/BX. Priced per box.