Wall Rings Ks 10.9 Size, Mm Within: Dz = 1200, Dv= 1000, H = 900, C= 100. Concrete Strength Class Not Lower Than - B 15. Quantity - 32 Pcs. Floor Slab Pp 10-2 Size Mm Within: Dz = 1200, H = 150-180, Hole In The Ceiling - 700. Concrete Strength Class Not Lower Than B 20. Quantity - 24 Pcs. Cost … More