1.Name:All Sizes Of U Bolts 2.Meterial:Carbon Steel, Stainless Steel 3.Size:M3-M100;1/4"-4" 4.Certificate ... :ISO/TS16949 1.NameAll Sizes Of U Bolts2.standardDIN, ... ASTM,JIS,BS,AS,ISO,GB,Nonstandard bolt(according to your order),etc3 ... delivery time should be according to your order); Bronze U-bolt