Harken 57mm Carbo Air Fiddle Block w/Swivel Becket [2622] Anchoring & Docking | Docking Accessories It is then insulated with

It is then insulated with a durable and pliable PVC jacket

Offering a high frequency range of 150-250 kHz and a constant 25° beam width

It helps reduce clutter from debris in weedy conditions too

The all surface mount high frequency design offers higher reliability

5mm Bow Shackle

Harken 57mm Carbo Air Fiddle Block w/Swivel Becket [2622] Anchoring & Docking | Docking Accessories It is then insulated with57mm Carbo Air Fiddle Block with Swivel & Becket 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: 57mm 2 1 4in Length: 175mm 6 7 8in Weight: 113g 4oz Shackle pin: 5mm 3 16in Maximum line: 10mm 3 8in Maximum working load: 359kg 792lb Breaking load: 1080kg 2380lb