1. Hydra form block (L x W x H) 220 x 220 x 115mm----9.5kg
2. Hydra form block (L x W x H) 220 x 140 x 115mm----5.5kg
3. Hydra form block (L x W x H) 220 x 110 x 115mm----5.5kg

• Quality of Production
• Simplicity of Use
• Speed of construction