RF74108 - Halyard with scew pin with roller head 75mmClass leading performance and sleek, contemporary styling Excellent dynamic and high static load performance Less than half the friction of the nearest competitor Suits direct attachment to mainsail headboard for 2: 1 halyard Removable 8mm (5 16) screw pin at head Acetal roller on head pin to suit spliced line attachment Alloy Rope Wire sheave version also available Central hub hole can be used as a becket take off or tie up point Sheave 75 mm Max.