CC612 12' Magnesium ScreedMade with of Genuine Extru Lite magnesium which is 30% lighter than similar aluminum screeds. Quality material wont rust extending the life and use of tool. This screed are built for strength and rigidity, but lightweight enough for the largest of jobs. The 12 screed is easy to move along forms on large slab projects. The 1 1 2 x 3 1 2 easy grip size is comfortable to hold while hand screeding. Thicker walls make up the 1 1 2 side of the screed to