Nodus Factory Spinnaker Snap Shackles - SnapHooks Size Options Available ( M T-S5 , M T-S6 , M T-S7 )The M T sail snap shackle for spinnakers and gennakers is easy to use, extremely lightweight and simple to install. Specially designed for downwind sail sheets with eye termination Fixing directly at the larks head, requires the use of our System Block attachment on the sail Fixing, directly at the head of the lars on the sail (clew point) requires an eye in the clew termination (Eye size see table) Reliable, maintenance free T sail shackle, Pa Tech