Flat Package 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. Our Flat package contains all of our popular flat and ultraflat shapes for a total of 14 volumes. These shapes are perfect for arêtes, vertical and slab walls to create technical climbs and make sure your problems and routes stay creative and interesting. Includes: Triangle 400 Flat 2 Triangle 600 Flat 2 Triangle 800 Flat 1 Triangle 1200 Flat 1 Triangle 600 Ultraflat 2 Triangle 800 Ultraflat 1 Triangle 1200 Ultraflat 1 Asym. Triangle 750 Flat L 1 Asym. Triangle 750 Flat R 1 Asym. Quad 750 Flat L 1 Asym. Quad 750 Flat R 1 Pentagon 500 NEW 1 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.