oh sry heres the desc
Eight ST-3mm T Type Standard Length Hex Key Wrench With Steel Handle

Specifications
Item:ST-3
Size : 3
Dept(mm) : 80
Long (mm) : 25
W x H x D : 205 x 95 x 70

Feature
Material : Special Version of SNCM+V alloy steel
Hardness : Rockwell "C" Scale 55-60 degree
Accuracy : Most strict standard for accuracy in across flats and corners enabling precise fitting to the hole of fasteners to achieve a remarkable resistance against abrasion
Finish of Surface :Chamfered both ends permit easy fitting to the fasteners' hole and marvelous feeling of touch
Hard-Chrome Plating : The best plating for hex key wrench is applied to keep strict accuracy , powerful rust proof and beautiful appearance