ProductsHome / Concrete Hollow Blocks (CHB) / 6″ (140mm) 6″ (140mm) Category: Concrete Hollow Blocks (CHB) Description Thickness: 6″ (140mm) Compressive Strength (psi): 700, 1000, 1200 Length: 390 mm Height: 190 mm Area: 0.0741 m2 Related products 6″ Corner Block Read more 6” Beam Block Read more 8″ (190mm) Read more