Description
Low-friction carbo air blocks are lightweight, strong, reliable and affordable. Companions to the popular Harken black magic block line, these small, compact blocks have very high working loads for safe, easy trimming.
Specifications
- Sheave diameter: 2 1/4" (57 mm)
- Shackle pin diameter: 1/4" (6 mm)
- Maximum line diameter: 3/8" (10 mm)
- Maximum working load: 1584 lb (720 kg)
- Breaking load: 3300 lb (1500 kg)
- Length: 4 3/4" (121 mm)
- Weight: 6.3 oz. (178 g)
Technical Files
Related Products
Related Products

Harken Carbo Double Ratchamatic Block with Swivel 2634 - 57mm
Harken
Current Stock: 1
RRP
Now
€446.95
Was
The carbo Ratchamatic is a load-sensing ratchet block that rolls freely in both directions under low loads and automatically engages the ratchet as loads increase. Shifting between ratchet and...
HK2634

Harken Carbo Double Block with Swivel/Becket 2603 - 57mm
Harken
Current Stock: 2
RRP
Now
€174.95
Was
Low-friction carbo air blocks are lightweight, strong, reliable and affordable. Companions to the popular Harken black magic block line, these small, compact blocks have very high working loads for...
HK2603

Harken Carbo Quad Block with Swivel 2631 - 57mm
Harken
Current Stock: 0
RRP
Now
€289.95
Was
Low-friction carbo air blocks are lightweight, strong, reliable and affordable. Companions to the popular Harken black magic block line, these small, compact blocks have very high working loads for...
HK2631

Harken Single Carbo Block with Swivel 2600 - 57mm
Harken
Current Stock: 3
RRP
Now
€75.95
Was
The low-friction Harken 57 mm carbo blocks are lightweight, strong, reliable and affordable. Companions to the popular Harken black magic block line, these 57 mm compact blocks have very high working...
HK2600

Harken Carbo Fiddle Block with Swivel 2621 - 57mm
Harken
Current Stock: 5
RRP
Now
€89.95
Was
Low-friction carbo air blocks are lightweight, strong, reliable and affordable. Companions to the popular Harken black magic block line, these small, compact blocks have very high working loads for...
HK2621

Harken Carbo Ratchamatic Block with Swivel 2625 - 57mm
Harken
Current Stock: 0
RRP
Now
€166.95
Was
The Harken 57 mm Carbo Ratchamatic Block for 10 mm sailing rope with aluminium sheave and frame comes with swiveling shackle that can be locked in place stopping it from twisting if desired. The...
HK2625

Harken Carbo Ratchet Block with Swivel 2135 - 57mm
Harken
Current Stock: 64
RRP
Now
€117.95
Was
Harken Carbo Ratchet Blocks allow sailors to hand-hold loaded lines and offer balance between holding power and controlled easing. Harken 57 mm Blocks feature Cam-Lock or U-Lock locking systems to...
HK2135

Harken Single Carbo Block with Swivel/Becket 2601 - 57mm
Harken
Current Stock: 3
RRP
Now
€89.95
Was
Low-friction carbo air blocks are lightweight, strong, reliable and affordable. Companions to the popular Harken black magic block line, these small, compact blocks have very high working loads for...
HK2601

Harken Carbo Fiddle Block with Swivel/Becket 2622 - 57mm
Harken
Current Stock: 4
RRP
Now
€99.95
Was
Low-friction carbo air blocks are lightweight, strong, reliable and affordable. Companions to the popular Harken black magic block line, these small, compact blocks have very high working loads for...
HK2622