Harken Part No: 303
| Sheave Ø (mm) | 25 mm |
| Sheave Ø (in) | 1 in |
| Width (mm) | 7 mm |
| Width (in) | 9/32 in |
| Weight (g) | 7 g |
| Weight (oz) | 0.25 oz |
| Maximum line Ø (mm) | 4 mm |
| Maximum line Ø (in) | 5/32 in |
| Maximum working load (kg) | 454 kg |
| Maximum working load (lb) | 1000 lb |
| Maximum wire Ø (mm) | 2 mm |
| Maximum wire Ø (in) | 3/32 in |
| Center pin Ø (mm) | 4.75 mm |
| Center pin Ø (in) | 3/16 in |
