18 Hex Key Sizes Included: 7/64, 1/8, 9/64, 5/32, 3/16, 7/32, 1/4, 5/16, 3/8-Inch And 1.5 Mm, 2 Mm, 2.5 Mm, 3 Mm, 4 Mm, 5 Mm, 6 Mm, 8 Mm, 10 Mm, Color-Coded Sleeves For Quick Identification Of Each Key Size, Extra-Long Arms Are 30-Percent Longer For Greater Reach And Leverage, Round Shanks With Plastic Sleeve Provided Enhanced Comfort During Prolonged Use, Ball-End Hex Keys For Working At Angles Up To 25 Degrees, Heat-Treated And Tempered For Added Strength And Durability, Rust Resistant Black Phosphate Coating On Every Key, Interlocking Cases For Sleek And Convenient Storage To Stack Sae And Metric Sets Together
- Material: Steel