coil nail with screw shank Material:Iron Length:35mm-90mm HeadDiameter:5.04mm-8.00mm Shank Diameter:2.1mm-3.33mm Loading qty:20-26 tons per 20"fcl Surfaces:polished, vinyl coated, EG, etc Package:as per customers', often we use carton often; we use carton? packing 250/300 paces/ coil¡Á24coil/carton Finish:bright, coated, electro galvanized, mechanical galvanized Color:yellow or bright Measurement unit: carton or Ton Minimum order quantity: 5 ton