Gibb Open Body Turnbuckle 1/8" Swage/Toggle 1/4" Pin Andersen Disc Springs The static block design uses

The static block design uses a large radius to minimize friction

connect the shackle to a mounting point

Less support may be desired if the mainsail is not stored on the boom or the Boomkicker is used to just lift the boom in light air for sail shape

69 mm Toggle Gap 0

These strong

Gibb Open Body Turnbuckle 1/8" Swage/Toggle 1/4" Pin Andersen Disc Springs The static block design usesProduct Description Features TABS SUP >Manufacturer part #: N673 040808 Features American Metric Description N673 Open Body Toggle Swage Turnbuckle Thread 1 4 UNF Wire 1 8 in 3 mm Pin 0. 247 in 6. 27 mm Toggle Gap 0. 315 in 8 mm Toggle Depth 0. 630 in 16 mm Length Open* 9. 25 in 235 mm Length Closed* 6. 10 in 155 mm Breaking Strength 3310 lb 1500 kg (*) Length is measured from pin to bottom of swage hole (end of wire). TABS > Manufacturer part #: N673