Chrome vanadium steel, hardened, tempered and chemically blacked each Supplied with storage holder. Display packed. Contents: 13 x Metric hex keys: 1.27, 1.5, 2.0, 2.5, 3.0, 4.0, 4.5, 5.0, 5.5, 6.0, 7.0, 8.0, 10mm, 12 x Imperial hex keys: 1/16, 5/64, 3/32, 7/64, 1/8, 9/64, 5/32, 3/16, 7/32, 1/4, 5/16, 3/8"
