The Irwin T10765 Folding Hex Key Set consists of 7 retractable Hex keys, housed in a high-resistance, polyamide & fiberglass handle. The ergonomic rubber grip ensures great comfort & ease of use. The keys are manufactured from black oxide chrome vanadium steel for strength & durability. The keys come in the following
Sizes: 2.0, 2.5, 3.0, 4.0, 5.0, 6.0 & 8.0mm.