Barton Marine Size 3 45mm Plain Bearing Pulley Block Cheek Block [N03160] Camping | Accessories These three blade propellers excel

These three blade propellers excel at achieving maximum speed

Connector: F-connectors

Flexible vinyl outer covering

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Barton Marine Size 3 45mm Plain Bearing Pulley Block Cheek Block [N03160] Camping | Accessories These three blade propellers excelSize 3 45mm Plain Bearing Pulley Block Cheek Block The size 3 Barton plain bearing blocks have a 45mm (1 3 4" sheave size 3 block range that incorporates modern design with stainless steel frames and the latest advanced materials, using 30% fiber glass filled nylon and Acetal sheaves to maximize their strength while keeping weight to a minimum. Suitable for use as mainsheet, vangs, lead blocks, or wherever a powerful and compact purchase system is