4.Hexagon Keys (Allen Keys)
1.Hexagon Keys-Ball Point
Easy to fit against bolt walls at any angle. Also, Capable to inclined up to 25* for quick temporary tightening, thus improving work efficiency.
2.Hexagon Keys-Taper Head
Redefines from Ball Point Head to Taper Head. Change the concept from "Pre-Fastening" to "Final Fastening"
