Interlocking Pavers Our products Rectangular 10 x 20 Square 20 x 20 Hexagonal I-Shape S-Shape Otaka Uni Rumba Arrow Turf-Stone Common Technical Data: Density kg/m3 2100 Compressive Strength From 250 kg/cm2 to 550 kg/cm2 according to requested specifications Absorption Not more than 6% Abrasion Not more than 3mm (ES 4382) Available Colors: