The 1/4 in. Drive 12-Point Socket and Ratchet Set with Rails is a versatile toolset suitable for various fastening tasks. With a range of sizes from 5/32 in. to 9/16 in. and 4 mm to 15 mm, this set includes 57 pieces designed for precision and durability. The 12-point sockets ensure a secure grip on fasteners, preventing round-off, while the extended length allows access to recessed areas. The die-stamped markings are easy to read and provide long-lasting visibility for efficient use.