Klein Tools 70553 3-Piece Pro Folding Hex Key Set, Metric, SAE, Torx Sizes, 31 Keys, Industrial Strength Heat Treated Alloy Steel

EXTENDED REACH: Extra-long blades extending from 3-1/2-Inch to 4-1/2-Inch for greater reach and leverage | 31 HEX KEY SIZES: Set includes 3/32, 7/64, 1/8, 9/64, 5/32, 3/16, 7/32, 1/4, 5/16, 3/8, 1/2-inch 1.5mm, 2mm, 2.5mm, 3mm, 4mm, 5mm, 6mm, 8mm, 10mm, 12mm, T6, T8, T9, T10, T15, T20, T25, T27, T30, T40 | KEY TENSION ADJUSTMENT: Easily adjust key tightness or looseness using the convenient #2 Phillips fastener | 270-DEGREE RANGE: Each blade opens independently to 270 degrees for work at all angles | SQUARE CUT ENDS: Secure, full-depth fit to optimize the contact with the socket, preventing slippage and stripping | HEAVY-DUTY NYLON HANDLE: Reinforced nylon casing has sturdy and comfortable grip | RUST-RESISTANT STEEL BLADES: Each blade made from heat-treated alloy steel and coated to prevent rust, ensuring prolonged performance and corrosion resistance