Overview Reviews Product Description Used on axle configurations with 2" wide leaf spring. 9/16" diameter 3 1/2" shoulder to tip length 3 7/8" overall length 9/16"-18 thread size Grade 5 Product Videos Custom Field Product Reviews Write a Review Write a Review × TRP 9/16" x 3 1/2" Shackle Bolt Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *