Specification: 1/2"; 3/4"; 5/8"; 1"; 7/16"; 9/16" Features: Flat and round cap, blued, square shank, good rust-preventing, good fixing; Packing: llb/box, 4boxes/paper package, 56boxes/ctn, 112boxes/case Usage: Used for repair shoe, leather, farming tools, soft furniture, etc.