![Harken 75mm Carbo Air Block w/Swivel [2660] Brand_Boat Leveler Co. Polk PA4A receiver](https://cdn.shopify.com/s/files/1/0350/0497/3196/files/79077XL.jpg?v=1682746091)
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Polk PA4A receiver
Type Cover: Twist-Out
Lens Material: UV resistant enhanced impact acrylic
shiny and sophisticated feel to the captain’s helm
Harken 75mm Carbo Air Block w/Swivel [2660] Brand_Boat Leveler Co. Polk PA4A receiver75mm Carbo Air Block with Swivel Low friction Carbo Air blocks are lightweight, strong, reliableand affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy trimming. Specifications: Sheave: 75mm 2 15 16in Length: 137mm 5 3 8in Weight: 195g 6. 9oz Shackle pin: 6mm 1 4in Maximum line: 14mm 9 16in Maximum working load: 550kg 1213lb Breaking load: 1650kg 3638lb