Place of Origin
Guangdong, China
material
45# steel,CVR hard Material
Metric size
1.5mm*17*47,2mm*16*50,2.5mm*3mm*21*5119*54,
Inch size
1/16,5/64,3/32,7/64,1/8,9/64,5/32,3/16,7/32,1/4,5/16
Application
Hexagonal socket with pin tamper proof screw
Product name
Steel Black Oxide Security Allen Hex Key with Anti Theft Pin-Hole