McIntosh END CAPS018-204 (3-5/8”)Anodized aluminum. Polished face, top and bottom. Sanded sides. Flat face. Finger slots on side. Reversible. Attached with screws. (Screws not included.) Used on “slim-line” Models:POWER AMP: MC 502PRE-AMP: C 504TUNERS: MR 500 MR 510 Price is for ONE end cap. Sold as is, NO returns.