Description
Ronstan's AP blocks are a great all-round solution. With Acetal polymer sheaves this fiddle block with an adjustable cam cleat, universal swivel head and becket. Available in 2 sizes.
Features:
- 316 Stainless Steel polished bearing races, load straps and head
- Universal Captive LockTM swivel head can be fixed at 0°, 90° or left free to swivel
- Removable becket pins allow lines to be spliced prior to fitting and are locked into position without the use of split rings and tools
- Fiddle blocks are ideal for fine-tuning mainsheet tackles, cunninghams, boom vangs, backstays and other control line purchase systems
- Snap shackle adapters to suit are available in standard and trunnion styles
- Low friction, 2 stage ball-bearing system provides consistent performance over the full load range
- High static and dynamic load capacity
- Light weight
- Cheek cutouts for easy bearing maintenence
| SKU | Collection | Sheave Diameter | Max Rope Diameter | Max Working Load | Breaking Load | Weight |
|---|---|---|---|---|---|---|
| RON-RF41530 | Series 40 | 40mm & 24mm | 8mm | 400kg(a) | 1,000kg | 164 grams |
| RON-RF51530 | Series 50 | 54mm & 34mm | 10mm | 750kg(b) | 1,500kg | 318 grams |
(a) Line load through cleat not to exceed 125kg (275lb)
(b) Line load through cleat not to exceed 175kg (385lb)
Ronstan All Purpose Block Collection
Ronstan Blocks are built with self-lubricating and UV stabilised Acetal polymer sheaves. The block cheeks are impact modified, fibre reinforced and UV stabilised. The polished bearing races, load straps and head fittings are produced from marine-grade 316 stainless steel.
These blocks are the right choice for sheets, halyards and control line applications for cruising and racing - they provide durability and a long service life.