Description
Ronstan Series 50 Upright Lead Block – RF51171:
Lead blocks are a low-profile solution for leading halyards or other rig sail controls back to cleats or jammers. Ideal for high load applications. Wear resistant sheave material, in lightweight, self-lubricating polymer, is suitable for use with rope or wire.
- Typically used for halyards at the mast base.
- UV stabilised acetal sheave.
- Grade 316 stainless steel load housing.
| Product No | Max Rope Dia mm (in) | Sheave Dia mm (in) | Max Working Load g (lb) | Beak Load kg (lb) | Weight g (oz) | Pin Dia mm (in) | Fasteners mm (in) |
|---|---|---|---|---|---|---|---|
| RF51100 | 12 (1/2) | 50 (2) | 750 (1650) | 1500 (3310) | 118 (4.2) | 5 (3/16) | - |
| RF51101 | 12 (1/2) | 50 (2) | 750 (1650) | 1500 (3310) | 98 (3.5) | - | - |
| RF51110 | 12 (1/2) | 50 (2) | 750 (1650) | 1500 (3310) | 134 (4.7) | 5 (3/16) | - |
| RF51111 | 12 (1/2) | 50 (2) | 750 (1650) | 1500 (3310) | 114 (4) | - | - |
| RF51140 | 12 (1/2) | 50 (2) | 750 (1650) | 1500 (3310) | 118 (4.2) | - | - |
| RF51151 | 12 (1/2) | 50 (2) | 500 (1100) | 1000 (2200) | 85 (3) | - | - |
| RF51171 | 12 (1/2) | 50 (2) | 750 (1650) | 1500 (3310) | 115 (4.1) | - | 6 (1/4) |
| RF51200 | 12 (1/2) | 50 (2) | 1000 (2200) | 2000 (4410) | 255 (9) | 6 (1/4) | - |
| RF51210 | 12 (1/2) | 50 (2) | 1000 (2200) | 2000 (4410) | 271 (9.6) | 6 (1/4) | - |
| RF51300 | 12 (1/2) | 50 (2) | 1200 (2650) | 2400 (5290) | 369 (13) | 6 (1/4) | - |
| RF51500 | 10 (3/8) | 54 + 34 (2 1/8 + 1 5/16) | 750 (1650) | 1500 (3310) | 167 (5.9) | 5 (3/16) | - |
| RF51510 | 10 (3/8) | 54 + 34 (2 1/8 + 1 5/16) | 750 (1650) | 1500 (3310) | 176 (6.2) | 5 (3/16) | - |
| RF51530 | 10 (3/8) | 54 + 34 (2 1/8 + 1 5/16) | 750 (1650) | 1500 (3310) | 318 (11.2) | 5 (3/16) | - |
| RF66100 | 14 (9/16) | 60 (2 3/8) | 1100 (2430) | 2200 (4850) | 248 (8.7) | 6 (1/4) |
