Ronstan Series 40 All Purpose Block - Single - Universal Head [RF41100] Boat Outfitting Insta-Trim electonic tab locators can

Insta-Trim electonic tab locators can be added to your

compass and rudder transducers

The TLM100 has an optional airlock for black water applications to keep the face of the ultrasonic transmitter from fouling

1" NPS discharge with 1" AND 1 1/8" screw-on ports

Ronstan Series 40 All Purpose Block - Single - Universal Head [RF41100] Boat Outfitting Insta-Trim electonic tab locators canSeries 40 All Purpose Block Single Universal 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. Captive Lock universal head can be fixed in either of