CARBYNE 28 Piece Tamper-Proof Hex Bit Socket Set - SAE & Metric, S2 Steel Bits, Zinc Phosphate Bit Finish, Chrome Vanadium Steel Sockets, 1/4", 3/8" & 1/2" Dr. with Durable Storage Case

S2 Steel Bits. Zinc Phosphate Bit Finish for Corrosion Resistance. Chrome Vanadium Steel Sockets. Meets or Exceed ANSI Standards. Limited Lifetime Warranty. S2 Steel Bits. Zinc Phosphate Bit Finish for Corrosion Resistance. Chrome Vanadium Steel Sockets. Meets or Exceed ANSI Standards. Limited Lifetime Warranty. S2 Steel Bits. Zinc Phosphate Bit Finish for Corrosion Resistance. Chrome Vanadium Steel Sockets. Meets or Exceed ANSI Standards. Limited Lifetime Warranty.