Lancetillas brand Lot Fancy quantity 100 units in the box

can be used with many different brand pen launchers

They're very cheap and they'll save him a lot of money.

like the following BD Lancet Device, Microlet, Soft Touch, Autolet, AutoletLancet, Autolet Mini, Glucolet, Hemalet, Penlet II, Monojector,LipidoCare, GlucoNavii, SD Codefree, One Touch, freestyle, Abbot, PIC Indoor and others