Great Fitment: Trailer Leaf Spring Hanger Kit for Double Eye Springs(3.5K -5.2K Axles). Compatible with 1-3/4" wide double eye springs. 3500-7000 lbs Feature: Made of steel, wear-resistant, high strength, good impact resistance, can adapt to long-term outdoor environment. The use of powder coating treatment on the surface enhances the anti-rust effect and increases the durability. Package: 1 Set of Heavy Duty Trailer Leaf Spring Hanger Kit( 2 x Equalizers, 6 x 3" tall hangers, 8 X Shackle Straps, 14 X Bolts, 14 X Nuts). No instructions. Installation: Bolt-on installation, easy to operate. Strong Load Capacity: High quality trailer leaf spring hanger kit can reduce the swing of the trailer during driving, improving driving stability and comfort. Great Fitment: Trailer Leaf Spring Hanger Kit for Double Eye Springs(3.5K -5.2K Axles). Compatible with 1-3/4" wide double eye springs. 3500-7000 lbs Feature: Made of steel, wear-resistant, high strength, good impact resistance, can adapt to long-term outdoor environment. The use of powder coating treatment on the surface enhances the anti-rust effect and increases the durability. Package: 1 Set of Heavy Duty Trailer Leaf Spring Hanger Kit( 2 x Equalizers, 6 x 3" tall hangers, 8 X Shackle Straps, 14 X Bolts, 14 X Nuts). No instructions. Installation: Bolt-on installation, easy to operate. Strong Load Capacity: High quality trailer leaf spring hanger kit can reduce the swing of the trailer during driving, improving driving stability and comfort.