Greater Clearance for Cramped and Confined Spaces The ARES 11-Piece 1/2-Inch Drive SAE Low Profile Nano Impact Socket Set includes 1/2-inch drive impact sockets in 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8", 15/ 16", and 1" sizes, as well as a red aluminum rail with locking end caps. Each impact nano socket is made of high-quality chrome moly steel that withstands high torque from power tools, and each features a black manganese phosphate coating for superior corrosion resistance. These low profile sockets are 35% shorter than typical impact sockets, allowing for greater clearance in cramped and confined spaces, and the outside hex allows for increased access when used with a wrench. Features: Includes: 11 pc. Low profile nano impact sockets and aluminum storage rail 1/2-inch drive Sizes: 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8", 15/ 16", and 1" 35% shorter than typical shallow impact sockets Made of high-quality chrome moly steel that withstands high torque from power tools Black manganese phosphate coating for superior corrosion resistance Ideal for working in tight spaces Outside hex for increased access when used with a wrench Red aluminum rail with locking end caps included