Write a review Made from cast aluminum. Used to stretch mason's line tight between key course blocks. One pair of stretchers per bag. Stretch mason's line tight between course blocks. SKU: 41438342 MFG: ALS504 Shop more products by Marshalltown. SHARE Share on Facebook Tweet on Twitter Share on Google+ Pin on Pinterest Free shipping over $35 $15.99 Quantity In Stock Add to cart Request a Bulk Quote Thank you for your quote request. We will be in touch. DETAILS Description DESCRIPTION Highlights: Constructed from cast aluminum Stretch mason's line tight between course blocks Fully adjustable from 4" to 12" Made from cast aluminum Used to stretch mason's line tight between key course blocks One pair of stretchers per bag Number in Package: 2 pk FEATURES MFR: ALS504 SKU: 41438342 UPC: 035965065047 Brand: Marshalltown