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125 mm Runner Block 125 mm Runner Block
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Black Magic® Air Runner®

125 mm Runner Block

Part No. 3259
$1,003.90  Not available on-line. Please contact your Harken dealer.
Sheave Ø (mm)125 mm
Sheave Ø (in)4 15/16 in
Maximum line Ø (mm)19 mm
Maximum line Ø (in)3/4 in
Maximum working load (kg)4990 kg
Maximum working load (lb)11000 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)125 mm
Sheave Ø (in)4 15/16 in
Length (mm)195 mm
Length (in)7 11/16 in
Weight (g)844 g
Weight (oz)29.76 oz
Clevis pin Ø (mm)19 mm
Clevis pin Ø (in)3/4 in
Maximum line Ø (mm)19 mm
Maximum line Ø (in)3/4 in
Maximum working load (kg)4990 kg
Maximum working load (lb)11000 lb
Breaking load (kg)9980 kg
Breaking load (lb)22000 lb
DWG: 3259.DWG (open/save)
DXF: 3259.DXF (open/save)
IGS: 3259.IGS (open/save)
EPS: 3259.eps (open/save)
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