Check the listing for details. 2) 6 Leaf 29.5" Slipper Trailer Leaf Spring 4000 lbs. for 8000 lbs axle UNA-161. Width: 2", Condition: New. Listed at 138.00 USD. 6 Leaf 29.5" Slipper Trailer Leaf Spring 4000 lbs. for 7000 - 8000 lbs trailer axles. Quantity: 2 Features: Leaf spring acts as part of your trailer's suspension system Provides attachment point for your trailer's axle Multiple leaves allow flexibility to absorb road shock Allows for a smooth ride Reduces wear and tear on trailer Ensures level ride on bumpy and uneven surfaces Sturdy steel construction Nylon bushing included Pre-mounted hangers or aftermarket hanger kit (sold separately) required for installation Eye of spring attaches to hanger mounted on trailer frame Slipper end slides into hanger or equalizer Specs: Quantity: 1 leaf spring Spring capacity: 4,000 lbs Axle capacity: 8,000 lbs Length from center of spring eye to end of spring: 29-1/2" Spring width: 2" Eye diameter with bushing: 9/16" Eye diameter without bushing: 11/16" Leaf thickness: 3/8" Number of leaves: 6 Note: To ensure proper axle alignment and suspension performance, leaf springs should always be replaced in pairs. Fast and Free Shipping!orPick up atTrailer Parts Unlimited631 TX 75 NHuntsville TX 77320 CHECK OUT OUR WEBSITE FOR BETTER PRICES, MANUFACTURE DISCOUNTS, AND WHOLESALE PRICESTRAILERPARTSUNLIMITED COM