Ronstan SHOCKs - A great alternative to traditional blocks, these neat little Sheaveless blocks have a multitude of uses around the boat. Made from durable aluminium alloy they suit “Soft” attachment (i.e. lashing, webbing etc) making them tolerant to alignment variation. They have an optimised internal rope glide profile for the smooth running of lines on systems such as vangs, tweakers, purchase systems, barber haulers, sail covers, zipper lines, lazy jacks, cunninghams, traveller controls, kite bridles, leech lines, trapeze elastics, control lines etc.
Ultra compact & lightweight – weigh only 2.5 grams!
Rope/Line Capacity: 1.4-5mm diameter max.