Line Stretchers – Cast Aluminum (4"–12" Block Sizes, Sold in Pairs) Size:8" to 12" Blocks Introducing a revolutionary system for

Introducing a revolutionary system for forming clean-out covers for High Lift grouting

H&B Primer SA for additional adhesion

this advanced formulation protects against air and moisture infiltration in above-grade wall assemblies

MATERIAL OPTIONS

Line Stretchers – Cast Aluminum (4"–12" Block Sizes, Sold in Pairs) Size:8" to 12" Blocks Introducing a revolutionary system forDURABLE LINE STRETCHERS DESIGNED TO KEEP MASON LINE TIGHT AND STRAIGHT FOR ACCURATE MASONRY WORK The Bon Tool line stretchers provide a simple, reliable solution for maintaining tight mason line during block and brick installation. Made from durable cast aluminum, these stretchers are available in multiple sizes to fit common block widths, helping contractors achieve straight courses and consistent alignment on the jobsite. Sold in pairs for easy