Standard (square head)nickel Hex-key - Standard Hex-key
Metric Standard GB L-type Standard square head nickel Hex-key, Material: 1.5mm-8mm steel 45 #, 10mm-19mm with 40CR alloy steel - more info check here: http://www.buyindustrialtools.com/Standard-square-head-nickel-Hex-key-10252902/
Quick Brief
Place of Origin: Zhejiang China (Mainland)
Brand Name: weihao
Model Number: Standard Hex-key
Type: Hex Key
Material: Carbon Steel
Size: 1.5mm-19mm