These stanchion blocks are made for 25mm or 32mm stanchions and have ball bearings for free running. Some models keep the line outside of the stanchions. No need to cut the lifelines, the SB3 or SB4 clamps on to the stanchion with a pin.

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SB25A STANCHION blocks clamp on to 25mm stanchion

Code: SB25A

SWL
LENGTH
89mm
3.5"
WIDTH
60mm
2.375"
HEIGHT
18mm
0.69"

SB25A STANCHION block
Clamps on to 25mm (1") stanchion with two screws
Sheave diameter 50mm (2") takes line up to 10mm (3/8")

The block swivels and is on a very strong spring

Product unit weight grams:142 (Ounces: 5)



      $100.33
      Our direct to you price  
$83.61 NZD

NOTE: All prices include 15% GST 
GST free with temporary import permit


A wide range of marine equipment and supplies, yacht fittings and dinghy davits is now in stock at Garhauer Marine New Zealand, Paihia, Bay of Islands 

Contact us for more info or click here for shipping info

SB25A STANCHION blocks clamp on to 25mm stanchion