Great Neck 20 Piece Hex Key Set, SAE & Metric

• Hardened and tempered, chrome molybdenum steel

• SAE sizes: .050”, 1⁄16˝, 5⁄64˝, 3⁄32˝, 7⁄64˝, 1⁄8˝, 9⁄64˝, 5⁄32˝, 3⁄16˝, 7⁄32˝, 1⁄4˝, 5⁄16˝ and 3⁄8˝

• Metric sizes: 2mm, 2.5mm, 3mm, 4mm, 5mm, 6mm and 8mm

• Each assortment features a plastic clamshell storage case