9-In-1, Small, Fold Up, Hex Key Set, Plastic, Includes Key Sizes: .050, 1/16, 5/64, 3/32, 7/64, 1/8, 9/64, 5/32 & 3/16, Sizes Clearly Marked On The Handle For Easy Identification, Flat Spring In Case Bottom Holds Keys At Any Angle, 8650 Chrome Nickel Alloy Steel Drawn To A Tolerance Of Plus .000/Minus .001, Hex Corners Are Sharp & Clean.