The Big 12® is seven tools in one like a framing square, try square, miter square, protractor, saw guide, stair gauge and out-of-square corner angle finder. It's constructed of heavy-gauge aluminum alloy. It does not include the black gradations or the layout bar and hardware of the S0107 Speed® square.
| Id | 225455 |
| SKU | 9162108 |
| PartNo | T0108 |
| UPC | 038987001086 |
| Material | Aluminum |
| Length | 12 In |
| Width | 12 In |
| CID | 9 |