ITP matte black finish with silver "SS" embossed emblem, snap-in plastic center cap fits all SS312 wheels. Sold in sets of two. Originally installed with the ITP SS312 wheels, but will fit and interchange with other ITP SS wheels. 4/137 Center caps are approximately 1 3/4" tall with a 4 1/8" overall diameter. Measurements do not include back side tabs and ring.