![Ronstan Series 40 All Purpose Block - Double Block - Full Swivel Head [RF41200] Winterizing | Oil Change Systems Post Size: 5/16](https://cdn.shopify.com/s/files/1/0746/2456/5549/files/65757XL.jpg?v=1705768638)
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Ships within 48 hours · Estimated delivery Aug 14 - Aug 19
Post Size: 5/16"
4-1/2" diameter
lightweight flotation foam
Epoxies to aluminum hulls under 3
22-18 Gauge - 1/4" Heat Shrink Ring Terminal - 25-Pack
Ronstan Series 40 All Purpose Block - Double Block - Full Swivel Head [RF41200] Winterizing | Oil Change Systems Post Size: 5/16"Series 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
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