Proto® Hex Key, Tether Ready, Measurement System: Metric, 4 mm Tip, 90 deg Working, Cushion Grip/T-Handle Handle, 3 in W Handle, PVC Handle, Alloy Steel Blade, Specifications Met: ASME B18.3, Alloy Steel, Black Oxide, Blue
| Blade Material | : | Alloy Steel |
| Color | : | Blue |
| Handle Material | : | PVC |
| Handle Size | : | 3 in W |
| Tip Size | : | 4 mm |
| Type | : | Tether Ready |
| Working Angle | : | 90 deg |
| Measurement System | : | Metric |
| Handle Type | : | Cushion Grip/T-Handle |
| Specifications Met | : | ASME B18.3 |
| Material | : | Alloy Steel |
| Finish | : | Black Oxide |