Shoulder Variants
- Featureless – Concave
- Conventional Conical Taper
- Inward Curving
- Scrolled – Face Profile
- Flat
- Inward Curving
- Outward Curving
- Scrolled – Number of Spiral Starts
- Single Start
- Multiple Starts
- Scrolled – Profile and Extent
- Low profile grooves
- High profile lands
- Scrolled – Advanced Features
- Wiper™ (bounded scrolls)
Probe Variants
- Profile – Shape
- Frustum (truncated cone)
- Shaped – Conical Section
- Profile – Basic Features
- Threads
- Flats
- Flutes
- Profile – Advanced Features
- Mandrel™
- Counterflow™ features
- Tip – Advanced Features
- Flat
- Domed
- Concentrating Tip