Ronstan Series 20 Ball Bearing Block - Single - Cheek Rivet Mount 
Series 50 All Purpose Block – Double
All purpose (AP) blocks are a great all around solution. Self-lubricating Acetal polymer sheaves running on polished stainless steel races perform equally well with dynamic loads and high static loads. For durability and a long service life, these blocks are the right choice for sheets, halyards and control line applications for cruising and racing. Swivel shackle head for full 360 degree rotation (non-locking).
Features:
- Exceptionally high working loads
- Low maintenance & long service life
- Self-lubricating Acetal polymer sheave ensures low friction and extreme durability
- Slotted pin shackle eliminates fouled lines
Applications:
- Mainsheet and halyard applications, vang and spinnaker control lines on boats to (33ft). 10m
- S60 – on boats up to 40ft, (12m)
Materials:
- Grade 316 stainless steel load strap
- Impact and UV resistant, fiber reinforced Nylon cheeks
Specifications:
- Sheave Diameter: (inch) 2″ / (mm) 50
- Max Rope Diameter: (inch) 1/2″ / (mm) 12
- Pin Diameter: (inch) 1/4″ / (mm) 6
- Maximum Working Load: (lb) 2200 / (kg) 1000
- Breaking Load: (lb) 4410 / (kg) 2000
- Weight: (oz) 9.0 / (g) 255
| Weight | 0.6 g |
|---|---|
| Dimensions | 6 × 3 × 2 cm |
Brand
Ronstan
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