Product

HARKEN 57MM BLACK MAGIC DOUBLE SWIVEL HL

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The entire line of Black Magic Air blocks has been redesigned with a sleek new look. Their unique, performance-packed engineering remains exactly the same. These strong, lightweight blocks feature free-rolling high-load Torlon® roller bearings for a high strength-to weight ratio.

Like all Black Magic blocks, the three-way head swivels/locks in front/side positions. Blocks are easily disassembled with a single hex wrench.

Torlon is a registered trademark of Solvay Advanced Polymers.

Sheave Ø (mm)
57 mm

Sheave Ø (in)
2 1/4 in

Length (mm)
132 mm

Length (in)
5 3/16 in

Weight (g)
336 g

Weight (oz)
11.86 oz

Shackle pin Ø (mm)
8 mm

Shackle pin Ø (in)
5/16 in

Maximum line Ø (mm)
12 mm

Maximum line Ø (in)
7/16 in

Maximum working load (kg)
1633 kg

Maximum working load (lb)
3600 lb

Breaking load (kg)
3267 kg

Breaking load (lb)
7200 lb