![...](https://files.ingeniumcanada.org/items/coll/54/450/1987-1023-001-aa-cs_thumb.jpeg)
Insert, helical
1987.1023.001
![No image available.](https://files.ingeniumcanada.org/static/No_image_sq.png)
Insert, helical
1987.1023.002
![No image available.](https://files.ingeniumcanada.org/static/No_image_sq.png)
Insert, helical
1987.1023.003
![No image available.](https://files.ingeniumcanada.org/static/No_image_sq.png)
Insert, helical
1987.1023.004
![No image available.](https://files.ingeniumcanada.org/static/No_image_sq.png)
Insert, helical
1987.1023.005
![No image available.](https://files.ingeniumcanada.org/static/No_image_sq.png)
Insert, helical
1987.1023.006
![No image available.](https://files.ingeniumcanada.org/static/No_image_sq.png)
Insert, helical
1987.1023.007
![No image available.](https://files.ingeniumcanada.org/static/No_image_sq.png)
Insert, helical
1987.1023.008
![No image available.](https://files.ingeniumcanada.org/static/No_image_sq.png)
Insert, helical
1987.1023.009
![No image available.](https://files.ingeniumcanada.org/static/No_image_sq.png)
Insert, helical
1987.1023.010