Ronstan Series 50 All Purpose Block - Double [RF51200] Brand_Uflex adjustable standard wiper arm (9-1/2"-12-1/2")

adjustable standard wiper arm (9-1/2"-12-1/2")

while still allowing the raster or vector chart to be visible

Optional remote control (sold separately): Model RC-200

3M® Acrylic Pressure-Sensitive Adhesive

Ronstan Series 50 All Purpose Block - Double [RF51200] Brand_Uflex adjustable standard wiper arm (9-1/2"-12-1/2")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).