Proto J7180P Impact Socket Extension, 1 2 in Drive, 2 in OAL, Alloy Steel, Black Oxide 283022 66 ksi (98% Argon 2% Oxygen) 66 ksi (98% Argon 2% Oxygen) Process MIG Welding (GMAW) Finish Coating Copper Coated AWS Classification ER70S 6 Material Carbon Steel Yield Strength (Minimum Required) 58 ksi Series SuperArc L 56 Spool Type Plastic Spool For Joining Carbon Steel to Carbon Steel Yield Strength (As Welded) (Merch) 64 ksi to 68 ksi Series (Description) SuperArc L 56 Maximum Yield Strength (As Welded) 60 to 69 ksi Tensile Strength (As Welded) (Merch) 81 ksi to 84 ksi Maximum Tensile Strength (As Welded) 80 to 89 ksi Package Quantity 1 Series 511 Marble Tuff(TM) Type Anti Fatigue Matting Color Blue White Surface Design Marble Mat Surface Pattern Marble Mat Shape Rectangle Length 3 ft Width 2 ft Thickness 1 2 in Edge Style Beveled Number of Beveled Edges 4 Number of Border Stripes 0 Material Vinyl Surface With Dense Closed PVC Foam Base Surface Material Vinyl Backing Material Closed Cell PVC Foam Surface Texture Smooth Durometer Rating 80 Compression Deflection @ 20 % sq Use extensions to gain access to fasteners in locations that would otherwise be difficult to reach Male square is oriented in line with female squares for use with fixed head torque wrenches Full chamfer at drive opening (when applicable) for easy engagement with drive tools Additional Features: Drive end chamfer and four detents help provide quick positive engagement with drive tool on any of the socket drive walls Size stamped on tool for easy identification Side locking hole Finish Black Oxide SAE or Metric SAE Drive Type Impact Impact Rated Yes Standards ASME B107