... ).from 21G,23G ,26G,28G 3).smooth tri-bevel points 4).OEM. pressure activated auto lancet is combined with lancet and lancing ... outer needleAvailable in most popular needle gauge formats. Lancets have tri-bevel tips and are electro-polished for maximum patient comfort ... .8mm 1.8mmColor White,RedWhite,YellowWhite,BlueWhite,Green. pressure activated auto lancet(CE,ISO13485,CMDCAS,FDA,GMP)