Oakley Drill Bit 0.5 eyeglass frames. Silver metal rectangular frames and case. Here's your chance to own a quality pair of eyeglass frames from leading designer Oakley without having to pay the high prices found at the local eyeglass shop. Glasses are used but in decent shape with almost no signs of wear. No scratches on the frames and glasses are as straight as the day they left the factory. Glasses carry the Oakley "O" on the outside of each bow at the temple. Inside of the right bow is marked Drill Bit 0.5. Inside of the left bow is marked 136 OX3143-0251 Pewter CE. Case is original issue and in good shape.