The Carbyne Tools 100-pc Stubby Low-Profile Bit & Ratchet Set, No. 3101610, is designed to give technicians access to fasteners in tight engine bays and other confined spaces. The set includes 96 5/8" S2 steel bits in a range of styles, including Hex, Torx, Torx Plus, tamper-resistant, Phillips, slotted, XZN triple square, Pozidriv, and JIS. It also includes a dual-ended ratchet, two magnetic extensions, and a socket adapter. The low-profile bits are designed for a precise fit and long service life, while the included storage case keeps the set organized. All tools meet or exceed applicable ANSI standards and are backed by Carbyne's lifetime warranty.