SKU
SIZE
HS-17912
Extended(1.5-2.0-2.5-3.0-4.0-5.0-6.0-8.0-10mm)
HS-17913
Extra-long(1.5-2.0-2.5-3.0-4.0-5.0-6.0-8.0-10mm)
9 Pcs Metric hex key(economic)
It is made of high-quality 40CR-V chromium-vanadium steel, undergoes overall heat treatment, and has a hardness of 45-48 HRC.
