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57 mm Runner Block 57 mm Runner Block
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57 mm Black Magic®

57 mm Runner Block

Part No. 3224
$308.05  Not available on-line. Please contact your Harken dealer.
Sheave Ø (mm)57 mm
Sheave Ø (in)2 1/4 in
Maximum line Ø (mm)12 mm
Maximum line Ø (in)1/2 in
Maximum working load (kg)1134 kg
Maximum working load (lb)2500 lb

The entire line of Black Magic® AirBlocks® has been redesigned with a sleek new look. Their unique, performance-packed engineering remains exactly the same.

Black Magic® Air Runners® are strong, lightweight blocks with extremely free-rolling sheaves. Blocks feature Torlon® roller bearings in a center cage for strength.

Heads are offered with parallel/perpendicular shackles. Tangs attach turnbuckles, toggles, and other fittings. No tools required for installation.

Sheave Ø (mm)57 mm
Sheave Ø (in)2 1/4 in
Length (mm)86 mm
Length (in)3 3/8 in
Weight (g)125 g
Weight (oz)4.42 oz
Clevis pin Ø (mm)10 mm
Clevis pin Ø (in)3/8 in
Maximum line Ø (mm)12 mm
Maximum line Ø (in)1/2 in
Maximum working load (kg)1134 kg
Maximum working load (lb)2500 lb
Breaking load (kg)2268 kg
Breaking load (lb)5000 lb
DWG: 3224.DWG (open/save)
DXF: 3224.DXF (open/save)
IGS: 3224.IGS (open/save)
EPS: 3224.eps (open/save)
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