3/4" - 16 Serrated Stud - 1 In. Knurl, 3.323 In. Length Bolt Grade:8 Color:Black Head Diameter:1.352 In. Knurl Diameter (In):1 In. Package Contents:40 Wheel Studs Quick-Start Nose:No SAE or Metric:SAE Shoulder Diameter:0.973 In. Shoulder Length (In):1.297 In. Shoulder Shape:Round Shoulder Thickness:0.973 In. Stud Material:Carbon Steel Style:Serrated Stud Thread Diameter:0.743 In. Thread Handling:Left Hand Thread Thread Length (In):1.683 In. Thread Size:3/4-16 Thread Type:Fine Threads Per Inch:16 Under Head Length:3.323 In. California Proposition 65:WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov