HARKEN 6mm Long Shackle, 2111 Travelers and Genoa Leads_Windward Sheeting Commonly 75mm blocks are for

Commonly 75mm blocks are for the main and spinnakers on larger FJs

Strong yet lightweight aluminum offers an advantage over easily "burned-out" plastic or heavy stainless designs

Years of design and manufacturing experience coupled with collaboration with boat builders

A razor knife should be used to free the caulk from the side of the seam

HARKEN 6mm Long Shackle, 2111 Travelers and Genoa Leads_Windward Sheeting Commonly 75mm blocks are forForged stainless steel shackles are polished to a high luster and are stamped with the screw pin diameter. Twist shackles are forged with a 90 degree twist so the two attachment points can be perpendicular without torquing.