- Open Hole,
- Offset G,
- Split E Mechanism,
- B Foot,
- Gizmo Key,
- Altus Professional .925 Sterling Silver Z-Cut™ Headjoint, .
- 925 Sterling Silver Body,
- Altus-Bennett Scale,
- Wide rib construction,
- Silver-plated keys and mechanism,
- French-style pointed key arms,
- Stainless steel springs,
- French case and cover