Size 1: 800mm x 800mm x 800mm in size and have a steel pin moulded into the top for lifting using as lifting clutch. Each block weighs 1200KG (1.2ton) Size 2: 1200mm x 600mm x 450mm in size and have a steel pin moulded into the top for lifting using a lifting clutch. Each block weights 750KG (0.75ton) There is some other sizes we have in stock please message for more information. Blocks can be collected from Cornwall, Exeter, Rugby, Manchester or Hampshire. Lifting clutches also available. Delivery may be possible depending on quantity of order and location across UK.