... 4" Socket Set In Plastic Case Item No:SR1011Features:21 piece large 3/4" drive metric socket set ... ideal for heavy duty applications in home, farm, construction and ... bars: 100mm (4") and 200mm (8") 17x 3/4" drive (6pt) socket sizes: 19, 21, 22, 23, 24, ... , manufacture and trade as a whole.We specialize in making hand tools, pneumatic tools and garden tools. ...