Insul-cap
Insul-CapTM Effortless Syringe Loading for Unstable HandsThe Insul-CapTM accessory will make managing your diabetes a little bit easier, which can make a big difference. The Insul-Cap is applied to the top of the medicine bottle and has a needle guide to help direct the syringe when loading it with medicine, saving you the frustration of broken needles caused by misalignment. Each packaged set comes with two caps for your convenience should you require a spare or if you mix medicine.inside measurements 13.58mm /.53in