![Ronstan Series 40 All Purpose Block - Double Block - Full Swivel Head [RF41200] Entertainment | Televisions The NAC-2 Autopilot Computer is](https://cdn.shopify.com/s/files/1/1592/4149/products/65757XL.jpg?v=1635954595)
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The NAC-2 Autopilot Computer is the brains behind your autopilot system
Chrome Plated Brass
Unidirectional which blocks return current under all circumstances
Proprietary high capacity Aquabloc II filter media
One end of the 50' throw line is secured to the boat while the remaining line is thrown to the person in need to be pulled back aboard
Ronstan Series 40 All Purpose Block - Double Block - Full Swivel Head [RF41200] Entertainment | Televisions The NAC-2 Autopilot Computer isSeries 40 All Purpose Block Double Block Full Swivel Head 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. Head swivels freely. Features: Exceptionally
