Triangle 600 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. $110.00 - High profile volume - Symmetrical volume - Bomber T-nuts (metric T-nuts available upon request) Length 23.5 inches Height 9.5 inches T-nuts 12 Design options Base plate