The Haemolance safety lancets are used by healthcare professionals to obtain capillary blood samples. The samples are frequently used for monitoring blood glucose levels but may also be used for other in vitro diagnostic tests requiring capillary blood. The product is available in two needle sizes - 21 gauge and 25 gauge. The 21 gauge lancet may be used for people who have callused fingers and may have difficulty obtaining a blood sample. The 25 gauge lancet may be used for people who need to prick their fingers frequently or for people that have thin skin such as children or elderly people.