Features: Each hex key has been held on key-ring style holder. 8 pcs package includes: 1.5mm, 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 5mm, 6mm. 10 pcs package includes: 1.5mm, 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 5mm, 6mm, 8mm, 10mm. Made of quality chrome vanadium steel, with high hardness, wear resistance & sturdy. Suitable for bikes, furniture, tools and so on. Package Includes: 8x Hexagon Key Or 10x Hexagon Key Specifications: Material: Cr-v Size: 180x76mm/205x90mm Style: 8/10 pcs(optional) note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.