The 16 mm is Harken’s smallest block. It is perfect for small synthetic control lines found on high-tech dinghies. The patented bearing system uses stainless steel balls in a captive grooved race and has a 250 lb (113 kg) maximum working load. The 442 uses a spacer to keep the line in the sheave during intermittent loading.
Specifications:
- Sheave: 16mm (5/8")
- Length: 35mm (1-3/8")
- Weight: 12g (0.44oz)
- Maximum Line: 5mm (7/32")
- Fasteners: 4 RH (#8 RH)
- Mounting Hole Spacing: 27mm (1-1/16")
- Maximum Working Load: 113kg (250lb)
- Breaking Load: 544kg (1200lb)
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