This is CHROME VANADIUM Mirror finish double-open-end wrench with an insulated grip 30-32mm.
Insulation wrench:High voltage-resistant, maximum working voltage
of the wrench up to 1000V.
Chrome Vanadium Steel Construction:Made of premium CR-V steel with
high hardness,strong and abrasion resistant.
Surface Chrome-plated:The surface is Chrome-plated for anti-rust
and anti-corrosion which makes the wrench more durable.
Made by heat-treated steel for strength; Professional
plating prevents wrenches from corrosion; Superior life-time test; Precisely manufactured 12-point offset box end and 15-degree angled open end for easy access to fasteners in tight
spaces.