Ansen Tools AN 200 Heavy Duty Cushion Grip Metric T-Handle Hex Key Set, 10 Piece Sizes include: 2mm, 2.5mm ,3mm, 4mm, 4.5mm, 5mm, 5.5mm, 6mm, 8mm, 10mm Heat treated alloy steel for durability Cushion grip for extra comfort 9" arm for tough access Hex set comes in a pouch for easy storage