Dorman's Oil Drain Plugs are coated for high corrosion resistance and a long service life. Many styles are available, including standard, inset gasket, molded gasket, magnetic, and pilot point. Available in many different sizes Dorman's oversized, piggyback, and rubber expanding plugs eliminate the need to replace the entire pan, saving you time, labor and money Our Oil Drain Plugs are designed and constructed to strict engineering quality standards Oil Drain Plugs are also included with many of Dorman's Engine Oil Pans Product Specifications Describe Type: Double Oversize Drain Method: Conventional Gasket or Seal Included: Yes Head Size (SAE/Metric): 3/4" Material: Steel Oversized: Yes Shank Length (In): 0.725 In. Socket Points: 6 Thread Size: 1/2"-20 Double Oversize