- Combination Stake: 3 small sinusoidal waves & 2 large sinusoidal waves
- Anticlastic/Synclastic Stake: 5 anticlastic grooves & 5 synclastic curves
- Large Diameter Anticlastic Stake: 3 small anticlastic grooves & 2 large anticlastic grooves
- Synclastic Stake: 3 small synclastic curves & 2 large synclastic curves
- Small Diameter Anticlastic Stake: 4 anticlastic grooves & 4 anticlastic grooves