Feature●14-Pack 9/16" X 3" Trailer Leaf Spring Wet Bolts w/7/16" Serrated Flange Nuts●14 x 9/16-20 x 3" (7/16" Thread) Wet Bolts●14 x 7/16"-20 Hex Lock Nuts●Typically used for 1 3/4" wide leaf springDescription 14-Pack 9/16" X 3" Trailer Leaf Spring Wet Bolts w/7/16" Hex Lock Nuts. 14x 9/16-20 x 3" Wet Bolts (7/16" Thread). 14 x 7/16"-20 Serrated Flange Nut. Typically used for 1 3/4" wide leaf spring