BRIDGESTONE's PRECEPT MC LADY golf balls, featuring a Muscle Flex Core, (Bridgestone Precept MC Lady) 12 golf balls per box. - Brand: BRIDGESTONE - Model Name: PRECEPT MC LADY - Quantity: 12 balls per box - Features: Muscle Flex Core and Precept MC Distance. These are 2-piece construction golf balls designed for distance, featuring a Muscle Fiber Core. They combine a very soft feel with distance performance. These are products from the strategic brand "PRECEPT," which gained popularity in the US golf market. They are said to have performance almost equivalent to the Japanese model TOURSTAGE X-01. Although they are aged, they are new and unused, in like-new condition.