CARBYNE 25 Piece Folding Hex Key & Star Wrench Set, Inch/Metric/Star, S2 Steel

Heat treated S2 steel - stronger than chrome vanadium
Manganese phosphate finish - corrosion resistant and more durable than black oxide
Precision chamfered ends - for working ease
Contents - Metric Sizes: 1.5, 2, 2.5, 3, 4, 5, 6, 8mm, Inch Sizes: 5/64, 3/32, 7/64, 1/8, 9/64, 5/32, 3/16, 7/32, 1/4” Star Sizes: T9, 10, 15, 20, 25, 27, 30, 40