Ring Spanner Set
Drop forged from high grade Chrome Vanadium Steel.
Hardness: 42 48 HRC
Scientifically heat treated to give maximum strength and wear resistance.
Ring Spanner Set
Open Jaw Spanner
Made from suitable grade steel, hardened in the range of 40 to 50 HRC
Non damaging grip on the nut due to close wrench opening tolerances
Corrosion protected with phosphate finish
Open Jaw Spanner