PRO UltraGRIP black nitrile gloves are strong but comfortable and offer great chemical resistance. These latex and powder free gloves also have textured fingers for extra grip, even in wet conditions. Farmers can use them to test for mastitis at a glance and tattooists like them because they don't show the blood. They are made to medical grade AQL 1.5 standards.PRO nitrile gloves offer a completely new level of comfort to the nitrile glove user. Many gloves of this type are tight fitting and often require the wearer to move up a size, but these gloves are thermo-responsive, stretching to the shape of your hand as they are warmed by the skin.