![Harken 40mm Carbo Air Double Swivel Block w/Becket [2639] Brand_Boat Leveler Co. UPC: 742985138971](https://cdn.shopify.com/s/files/1/0405/8454/4408/products/79735XL.jpg?v=1591395576)
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UPC: 742985138971
UPC: 776113105801
To keep shrimp alive
All stainless steel construction
UPC: 754059064451
Harken 40mm Carbo Air Double Swivel Block w/Becket [2639] Brand_Boat Leveler Co. UPC: 74298513897140mm Carbo Air Double Swivel Block with Becket 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 (mm)40 mm Sheave (in)1 9 16 in Maximum line (mm)10 mm Maximum line (in)3 8 in Maximum working load (kg)440 kg Maximum working load (lb)970 lb Quick Guide (pdf)
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