The Tolsen 15395 is a comprehensive 65-piece socket set designed to handle a wide variety of fastening tasks using both metric and imperial measurements. At its core is a versatile 3-in-1 quick-release ratchet handle featuring a 72-tooth mechanism for precise movement in tight spaces, complemented by a 1/4" handle and a socket adaptor. To reach deep or awkward areas, the kit includes three extension bars in 3", 3", and 5" lengths for the 1/4", 3/8", and 1/2" drives respectively. Durability is ensured through the use of chrome-vanadium steel for the sockets, which come in three drive sizes. The 1/4" and 3/8" sets feature 6-point sockets ranging from 4mm to 14mm and various inch sizes, while the 1/2" set utilizes 12-point sockets from 15mm up to 24mm and corresponding imperial sizes. For smaller precision work, the set provides 22 bits made from S2 steel, covering slotted, Phillips, Pozi, Hex, and Torx profiles. Everything is organized within a sturdy blow mould plastic case, making it easy to keep the tools secure and portable. This combination of materials and sizes makes the set a practical choice for anyone from home enthusiasts to professional mechanics who need a reliable, all-in-one solution for diverse mechanical repairs.