Ronstan Series 75 BB Halyard Core Block Sheave Diameter:75 mm 3M Perfect-It Boat Wash is

3M Perfect-It Boat Wash is an important first step in achieving a truly professional gelcoat finish

all silicone free

Whale WX1516 Quick Connect - Adaptor 3/4" BSP Male

unlike others that use a plastic ball that breaks down or becomes sticky over time

Ronstan Series 75 BB Halyard Core Block Sheave Diameter:75 mm 3M Perfect-It Boat Wash isRonstan Series 75 Ball Bearing Halyard Core Block, screw pin with roller head RF74108 Class 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 8 mm (5 16 inch) screw pin at head Acetal roller on head pin to suit spliced line attachment Materials Sheave: U. V. stabilised