![Harken 40mm Carbo Air Double Swivel Block [2638] Winterizing sinks and tubs](https://cdn.shopify.com/s/files/1/0405/8454/4408/products/79734XL.jpg?v=1591395568)
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Ships within 48 hours · Estimated delivery Sep 13 - Sep 18
sinks and tubs
Contoured grip ends with Thumbprint Locator for fast and easy connection
compared to 6° pitch or roll for the sensor alone
The strobe can be reconfigured to flash on and off
Positive or negative side wiring
Harken 40mm Carbo Air Double Swivel Block [2638] Winterizing sinks and tubs40mm Carbo Air Double Swivel Block 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)