Pro-Tech Extra Long Arm Ball Point Hex Key 9 pieces Set RST-162 is made of Chrome Vanadium Steel and with Chrome Plated Surface.
- Standard: DIN911 and Hardness: HRC 48-53.
- Socket Sizes: 1.5mm, 2mm, 2.5mm, 3mm, 4mm, 5mm, 6mm, 8mm, 10mm