Made from cast aluminum. Used to stretch mason's line tight between key course blocks.
| Id | 221768 | 
| SKU | 7108145 | 
| PartNo | ALS504 | 
| UPC | 035965065047 | 
| Country of Origin | China | 
| Type | Adjustable | 
| Line Size | 4 To 12 In | 
| Line Type | Adjustable, Jointer | 
| Material | Cast Aluminum | 
| Width | 6 In | 
| CID | 9 |