By using our bronze groover bit 'dummy' joints can be formed whilst floating the surface. The concrete groover bit simply slides onto a standard magnesium bullfloat and tightens using the incorporated thumb screws.
You might be interested in
![45mm snap adaptor [Standard]](https://www.speedcrete.co.uk/media/catalog/product/cache/9d40f6b1fe79103b79daf274578364cd/c/c/cc284_kraft_snap-adapter.jpg)
