Sturdy Construction: Made from heat treated steel, this through hole socket set maintains consistent even in demanding work conditions Efficient Mechanism: Features a 0.748 Inch not with 72 tooth two way gear requiring minimal movement The direction changer enables smooth conversions between tasks for better workflow Versatile Use: This through hole socket set adjusts fasteners on threaded rods in tight spaces, allowing rods to pass through for quick access Consistent star, square, hexagonal and round fastener types Ergonomic Handle: Designed with a comfortable grip that enhances control and minimizes slipping during extended use periods Clear Size Markings: Each socket has visible measurement labels for easy identification, helping improve tool selection and improve accuracy, Manufacturer: APGLSXY