SKU
SIZE
HS-17902
Extended(1.5-2.0-2.5-3.0-4.0-5.0-6.0-8.0-10mm)
HS-17903
Extra-long(1.5-2.0-2.5-3.0-4.0-5.0-6.0-8.0-10mm)
9 Pcs Metric hex key(industrial grade)
It is made of S2 premium alloy steel. Its hardness reaches over HRC 58¡ã, and its torque is 20% higher than that of chromium-vanadium steel. It undergoes red oxidation treatment, making it aesthetically pleasing and wear-resistant.
