Specifications: 1) Parameter and quota: common standard 2) Sizes: 1/8, 3/16, 1/4, 5/16, 3/8, 7/16, 1/2, 5/8, 3/4, 7/8, 1" Features:1) Materical: low carbon steel2) Finish: hot dip galvanized, electro-galvanized, self-colored, black platedPacking:Pail, drum, case and pallet Chain