Gray Tools Hex Key Set, Measurement System: Metric, 8 Piece, Hex Drive, 2 to 10 mm Hex, T-Handle Handle, S2 Steel

• Made of premium S2 steel delivering superior durability and corrosion-resistance
• Premium S2 steel also results in a hex key that delivers up to 33% more torque than ordinary keys
• Each keys size and part number is permanent etched making finding the right size faster and more convenient (1/8 in and 3 mm and larger only)
• Cushioned increases user comfort and reduces fatigue