| Size | Small | Medium | Large |
| Head Length (mm//in) | 170 // 6-11/16 | 197 // 7-3/4 | 175 // 6-7/8 |
| Large end Diameter (mm//in) | 50 // 1-15/16 | 45 // 1-13/16 | 73 // 2-7/8 |
| Small end Diameter (mm//in) | 28.5 // 1-1/8 | 36.5 // 1-7/16 | 55 // 2-3/16 |
| Large end Shaping Radius (mm//in) | 63.5 // 2-1/2 | 38 // 1-1/2 | 90 // 3-1/2 |
| Small end Shaping Radius (mm//in) | 14 // 9/16 | 16 // 5/8 | 28.5 // 1-1/8 |
