9 Piece Hex Key Wrench Set Hardened and tempered carbon steel for strength and durability. Black oxide finish to resist rust. These hex key wrenches are ball end style which is perfect for turning fasteners in hard to reach areas with more swivel room than regular hex key wrenches. Set includes: 1.5mm, 2mm, 2.5mm, 3mm, 4mm, 5mm, 6mm, 8mm, and 10mm metric hex keys with ball ends.
