Features 1、Fitment: Heavy duty shackle kit fit for CRE3000, fit for Stock, and fit for Equaflex 3 1/8in shackle. The heavy duty shackle kit is an excellent upgrade for your running gear and the answer for wear and tear. 2、Wide Application: The heavy duty shackle kit is available for both tandem and triple axle trailers and will fit units with upgraded suspension systems. 3、Complete Shackle Upgrade Kit: The heavy duty kit includes shackle brackets, bronze bushings, greaseable bolts and nuts. 4、Professional Design: Thicker shackles for added strength. Bronze bushings for more durability. Greasable bolts for less maintenance. 5、Ideal Replacement: A direct replacement for worn shackles, works with an equalizer to give your trailer a smooth, quiet ride. Very nice upgrade. Specification Item Type: Heavy Duty Shackle Kit Material: Steel, Bronze Fitment: Fit for CRE3000 Fit for Stock Fit for Equaflex Package List 1 x Heavy Duty Shackle Kit 6 x Bushing