![Harken 40mm Carbo Air Double Swivel Block [2638] Winterizing True sine wave AC output](https://cdn.shopify.com/s/files/1/0405/8454/4408/products/79734XL.jpg?v=1591395568)
Pay in 4 interest-free payments of $21.74 Learn more
Ships within 48 hours · Estimated delivery Aug 19 - Aug 24
True sine wave AC output (crystal controlled)
sinks and tubs
FingerSafe blade allows for maximum airflow
Contoured grip ends with Thumbprint Locator for fast and easy connection
Cutout Size: 13
Harken 40mm Carbo Air Double Swivel Block [2638] Winterizing True sine wave AC output40mm 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)