Specification Brand : Thomletha BulletPoint1 : 2,500lbs capacity per each spring, for 5,000lbs axle, eye to eye length: 25-1/4 inch, free open: 3 inch, width of leaf: 1-3/4 inch, 4 leaves BulletPoint2 : The leaf spring provides a connection point for the trailers axle, suspending it from the trailers frame BulletPoint3 : Each blade spring bends to absorb road shocks while driving, ensuring horizontal driving on bumpy and uneven surfaces BulletPoint4 : To install this leaf spring, you need the hanger, shackle strap, and suspension bolts, and if you are just replacing the spring, you should replace the shackle strap BulletPoint5 : Product includes 2 x equalizers, 2 x center hangers, 4 x front and rear hangers, 8 x shackle straps, 8 x 3 inch round shaft 7 inch long U-bolts, U-bolt diameter 1/2 inch, 4 axle U-bolt kit, 14 x shackle bolts and lock nuts, 8 x bushings Color : CLEAR ZINC ExteriorFinish : Machined ExternallyAssignedProductIdentifier1 : 091769577773 ExternallyAssignedProductIdentifier2 : 0091769577773 ExternallyAssignedProductIdentifier3 : 00091769577773 FabricType : manmade FinishType : Clear Zinc FitType : Vehicle Specific GpsrSafetyAttestation : 1 IncludedComponents : Trailer Connector ItemName : Thomletha 5000lbs Tandem Trailer Axle Suspension Kit - 4 Leaves 2500lbs Trailer Double Eye Spring Equalizers Kit U-Bolt kit Hangers Kit Shackle Straps Kit ItemPackageDimensions_Height : 13 centimeters ItemPackageDimensions_Length : 70 centimeters ItemPackageDimensions_Width : 24 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : trailer-springs Manufacturer : Thomletha Material : Carbon Steel ModelName : Trailer Connector ModelNumber : Does not apply NumberOfBoxes : 1 NumberOfItems : 1 NumberOfPieces : 1 PackageLevel : unit PartNumber : MO-1675893-310349-AT PartTypeId : 2640 PinType : Coupler Pin ProductDescription : Product Specifications: Product includes 4 x 2500lbs-4 leaf springs(bushings), 2 x equalizers, 2 x center hangers, 4 x front and rear hangers, 8 x shackle straps, 8 x 3 inch round shaft 7 inch long U-bolts, U-bolt diameter 1/2 inch, 4 axle U-bolt kit, 14 x shackle bolts and lock nuts, 8 x bushings Spring capacity: 2500 lbs Axle capacity: 5000 lbs Length from center of spring eye to center of spring eye (unloaded): 25-1/4 inch Free open: 3 inch Spring width: 1-3/4 inch Eye diameter with bushing: 9/16 inch Single leaf thickness: 5/16 inch Number of leaves: 4