Harken 57mm Fixed Mastbase Block

Low-profile mastbase halyard lead blocks are lightweight and can be grouped in a small area at the mastbase.

Description = Fixed mastbase block*   
Sheave dia. (in) = 2.25
Sheave dia. (mm) = 57 
Width (in) = 1.375
Width (mm) = 35 
Length (in) = 3.1875
Length (mm) = 81 
Height (in) = 2.875
Height (mm) = 73 
Max. line dia. (in) = 3/8
Max. line dia. (mm) = 10 
Weight (oz) = 6.2
Weight (g) = 175
Max. working load (lb) = 2500 
Max. working load (kg) = 1136 
Breaking load (lb) = 5000 
Breaking load (kg) = 2273 

Download Catalog Page