The P83 Olivetti Void Former holds the Olivetti Anchor in place during the concrete pour and creates a void in the concrete so that the clutch can engage with the anchor. It can be fixed to the formwork using a P85 Fixing Plate.

| Part No | Description | Type |
|---|---|---|
| P833 | Olivetti Void Former | 3t |
| P839 | Olivetti Void Former | 9t |
| P853 | Olivetti Void Former Fixing Plate | 3t |
| P859 | Olivetti Void Former Fixing Plate | 9t |