HARKEN 100 mm Aluminum Black Magic Loop Block, 3245 Tracks & Accessories_Car accessories heat treatment strengthens PH steels

heat treatment strengthens PH steels to levels higher than 316 or even 316L alloys

Harken® toggle assembly accepts standard turnbuckle using swage

Please refer to this comprehensive Battcar Systems Ordering Guide when selecting Battcar System Components

000 pounds

It is also known as marine-grade stainless steel due to its increased resistance to chloride corrosion compared to type 304

HARKEN 100 mm Aluminum Black Magic Loop Block, 3245 Tracks & Accessories_Car accessories heat treatment strengthens PH steelsBlack Magic Air blocks are a top favorite of Big Boat performance racers and cruisers. These lightweight, free running, powerful performers are used for sail controls that see lots of action: mainsheet, runner, halyard, and spinnaker systems. Offered in 57 150 mm sizes, with low load versions in 57 and 75 mm ranges. A center cage keeps Torlon roller bearings separated and parallel to reduce friction. The sheave center carries the primary load,