A ball bearing end fitting mainsheet with internal sheaves.
Technical Specifications:
| Size 1 | Size 2 | Size 3 | |
| Length | 67mm | 88mm | 96mm |
| Weight | 117g | 234g | 362g |
| Width | 100mm | 127mm | 137mm |
| Width (with control line cleats) | 100mm | 127mm | 137mm |
| Height 2:1 | 39 | 50 | 60 |
| Height 4:1 | 50 | 65 | 74 |
| Maximum Control Line Diameter | 6 | 8 | 8 |


