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The Harken air block offers a very high load in an extremely lightweight block. Excellent for control lines. The block itself is only 1-1/8" long; overall length is 1-11/16. The 5/8" sheave will accept line as large as 7/32". 450 lb. SWL; 1200 lb. breaking strength. Harken #406.
This product was added to our catalog on February 15, 2018