Harken Small Boat Low Beam Track Captive Ball with 4" Hole Spacing 12 Badge_New One of our most popular

One of our most popular styles due to its versatile nature

and 57 mm blocks feature composite sheaves that spin freely on Delrin® ball bearings with curved bearing races

Bearings – Dynamic Blocks feature our patented bearing system which uses twin rows of stainless-steel ball bearings running on a stainless-steel rail

Sheave 22 mm Length  57 mm Weight  21 g Shackle Pin  5 mm Maximum Line  6 mm Maximum Working Load  91 kg  Breaking Load  544 kg

Fast pins feature a spring-loaded ball on one end

Harken Small Boat Low Beam Track Captive Ball with 4" Hole Spacing 12 Badge_New One of our most popularHarken Small Boat Low Beam Track Captive Ball with 4" Hole Spacing 12 Length (ft in) 12 Hole spacing (in) 4 Weight (oz) 56 Fasteners (in) 10 FH Low load endstop 173* High load endstop 263* Line shedding endstop 446* Splice link trim cap 2724 2722* Sold in pairs