Triangle 800 Ultraflat 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. $185.00 - Ultra-Flat triangle - Low profile volume (great for slabs and vertical walls)- Great for creating ultra-technical climbs- Symmetrical volume - Bomber T-nuts (metric T-nuts available upon request) Length 31.5 inches Height 5 inches T-nuts 39 Design options Base plate