The PT 36 eyeglass stainless steel frames have the popular spring hinge along with a nice, unique shape. The black, brown, and well-liked gunmetal colors only add to the great quality and durability. These frames are pleasing to the eye, which makes them a classy and elegant choice. The plastic-coated, curved ear tip provides comfort for daily wear. Because the PT 36 is stainless steel and lightweight, it makes a great choice for everyday eyewear.