We recommend you use new u-bolts whenever changing leaf springs. Used u-bolts are typically stretched from the originaltorquing and therefore become fatigued and will nothold as tight as they need to be.
Zinc Plated, grade 8. Includes 4 U-bolts, 8 nuts, and 8 washers.
Dimensions: 9/16"x3 1/4"x8 1/4"