WORKPRO 15PC Nut Remover & Impact Bolt Set 3/8" Drive Bolt Extractor Black Oxide

2 pieces of impact adapter. Black oxide coating provides greater strength, corrosion resistance and anti-rust property. Finish‎Black oxide coating. Applicable bolt & nut grade: 3.6-6.8. Heavy duty blow molded case and clear labeling keep all the bolt removers staying organized.