Triangle 1200 Flat Interested? Please Contact us All volumes can be bolted on or screwed on, are made of 13 layer ¾ inch (18 mm) high-quality birch plywood, and coated with our special Blocz Texture. - Flat triangle- Ultra-LARGE (one of our largest) - Low profile volume (great for slabs and vertical walls)- Symmetrical volume - Bomber T-nuts (metric T-nuts available upon request) Length 47 inches Height 12.5 inches T-nuts 108 Design options Base plate