ABB
| Product Attribute | Attribute Value |
| Label | Steel City |
| Color | Silver |
| Material | Steel |
| Number of Knockouts | 12 |
| Product Name | Other |
| Product Type | Extension Rings |
| Size | 4 Inches Length x 4 Inches Width x 1-1/2 Inches Depth |
| Standards | UL E2969 |
| Volume | 21 cu in |