Ronstan Series 50 All Purpose Block - Double [RF51200] Brand_Xantrex All version are delivered with

All version are delivered with a removable check valve

Waterproof to IP56

Secure your new Top Guns with custom-designed backing plates made of anodized aircraft aluminum

trolling patterns

Ronstan Series 50 All Purpose Block - Double [RF51200] Brand_Xantrex All version are delivered withSeries 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).