1. CE and ISO approved 2.size:21G,23G,26G(2.4MM) 3. Avoiding opening violencly. 4.OEM is available Available in most popular needle gauge formats.Lancets have tri-bevel tips and are electro-polished for maximum patient comfort.Compatible with all universal lancing devices.Contoured body for easier handling. ItemSpecificationSafety lancet 21G,23G,26G(2.4MM), 100pcs/box,20boxes/CTN, 43.5*25*16.5cm