- ST 500/44/23
- ST 500/5/23 - Discontinued types - not for new designs
- ST 500/5/42 - Discontinued types - not for new designs
- ST 500/69/23
- ST 500/69/24 - Discontinued items - no longer available
- ST 63/11/11 - Discontinued types - not for new designs
- ST 63/11/23
- ST 63/11/24
- ST 63/23/11 - Discontinued items - no longer available
- ST 63/23/12