- See all product specifications
Manufacturer : Williams
Brand Name : Williams®
Country Of Origin : US
Measurement System : Metric
Open End Thickness : 5/16 in
Open End Width : 1-13/16 in
Product Status : Active
- 3-Layer color insulation coating 17 mm to 32 mm wrenches
- Made of high performance alloy steel
- 2-3 Multi-layer coating with different colors indicating safety, danger or high danger
- Plus a 4th one in black to further protect handle edges
- This provides protection as well as creating a visual warning system
- If the outer insulation layer gets damaged, the lighter color underneath will become visible and warn the user
- Each and every tool is tested to 10.000V for 10 seconds at the end of the manufacturing cycle


