Harken H404 16mm Single Air Block with O Ring

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Harken 404 16mm Single Air Block. The 16mm is Harken´s® smallest block. It is perfect for small synthetic control lines found on high-tech dinghies. The patented bearing system use s stainless steel balls in a captive grooved race and has a 113 kg maximum working load. The 404 uses an O-ring to keep the line in the sheave during intermittent loading. Sheave diamete:r 16mm Length: 29mm Weight: 10g Maximum line diameter: 5mm Maximum working load: 113kg Breaking load: 544kg Show more