Teng 1479MM 9 Metric 1.5-10mm Ball-Point Hex Key Set9 piece hex key set Metric sizes Chrome vanadium steel Ball point end for turning at up to 30 Supplied with handy plastic holder Product Description This Teng Tools 9 piece set of hex keys comprises the following sizes: 1. 5mm, 2mm, 2. 5mm, 3mm, 4mm, 5mm, 6mm, 8mm and 10mm. The hex keys are made from chrome vanadium steel for increased strength and durability and are supplied in a folding plastic holder for convenient storage. Each key has a short arm