29mm Block — Swivel

Part No. 340

Sheave Ø (mm) 29 mm

Sheave Ø (in) 1 1/8 in

Maximum line Ø (mm) 8 mm

Maximum line Ø (in) 5/16 in

Maximum working load (kg) 150 kg

Maximum working load (lb) 330 lb

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Low-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to our popular Harken Big Boat blocks, these small, compact blocks have very high working loads for safe, easy trimming.

Specifications Resources

Sheave Ø (mm)	29 mm
Sheave Ø (in)	1 1/8 in
Length (mm)	66 mm
Length (in)	2 5/8 in
Weight (g)	26 g
Weight (oz)	.9 oz
Shackle pin Ø (mm)	4 mm
Shackle pin Ø (in)	5/32 in
Maximum line Ø (mm)	8 mm
Maximum line Ø (in)	5/16 in
Maximum working load (kg)	150 kg
Maximum working load (lb)	330 lb
Breaking load (kg)	454 kg
Breaking load (lb)	1000 lb
Footnote	Maximum working loads and breaking loads for blocks based on cam strengths.