Ronstan Series 50 All Purpose Block - Double [RF51200] Brand_StrikeMaster Cup Mount Installation Hole Size:

Cup Mount Installation Hole Size: 3"

Wrist/Hull/Mast/Boom mount options

Model Number: 0350005DPC

with a more streamlined design than classic outdoor furniture

Ronstan Series 50 All Purpose Block - Double [RF51200] Brand_StrikeMaster Cup Mount Installation Hole Size: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).