Optimum for tightening by tapping the striking part with a hammer while pulling the rope through the rear hole of the handle, or loosening the bolt and nut with rust.
Material is chrome vanadium steel, and with hardness considering impact, it is a robust wrench that has strength by 2.5 times or more than the JIS strength class spanner.
ข้อมูลสินค้า
Width Across-Flat Dimension (mm) : 90
Total Length (mm) : 429
วัสดุ
Chrome vanadium steel : (DS0030 to DS0067), carbon steel (S53C) : (DS0070 to DS0095), carbon steel (S45C) : (from DS100)