BD Micro-Fine+ 33G Lancets BD Micro-Fine+ 33G Lancets are single use,  sterile,  stainless steel blood sampling lancets compatible with many lancing devices. To minimise sampling pain & tissue trauma at the fingertips,  BD recommend choosing the finest lancets available
- the higher the gauge the thinner the lancet & the BD Micro-Fine+ 33G Lancets are the finest available in the UK & Irel&.BD Micro-Fine+ 33G Lancets are 33 gauge / 0.2mm.