Pressure Activated Safety Lancet 26G Needle x 1.8mm depth. Yellow PremierPro offers three categories of sterile lancets in a variety of needle specifications to safely collect blood samples. Pressure Activated, Button Activated, and Heel Lancets are all available in various needle gauges for fingertip or heel sampling. Pressure Activated lancets are contact activated when placed against the patient s skin. Button Activated lancets have a side trigger firing action that provides extra patient comfort. Heel Lancets are suitable for Newborns and Preemies. PremierPro lancets are fully shielded before and after use for added protection to the health care professional as well as the patient.