Crescent 6″ 2-in-1 Extendable Square

6" fold out extension arm eliminates the need for a 7" and 12" square
Quick access thumb lock releases the fold out extension and locks it back into place after use
Solid aluminum construction and corrosion resistant finish for durability
Laser-etched markings for visibility and durability
Lightweight and easy to store in your work pouch or pocket