The Mac Tools ST13RBRT 13PC Star Driver Bit Set is a high-quality hand tool set designed specifically for automotive use. The set includes a variety of star drivers in different sizes, making it versatile for various applications. With the brand reputation of Mac Tools, you can trust in the durability and reliability of these tools. The manufacturer part number ST13RBRT ensures easy identification and organization of the included pieces. , this set still offers great value for professionals and automotive enthusiasts alike. 13 piece driver bit set. used and shows signs of usage. no missing pieces and all working properly.