$109.56
or 4 interest-free installments of $27.39
Learn more
or just 6x payments from $18.26
Learn more
Add to Wish List On your Wish List
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.
Sheave Ø (mm)
57 mm
Sheave Ø (in)
2 1/4 in
Length (mm)
110 mm
Length (in)
4 5/16 in
Weight (g)
87 g
Weight (oz)
3.1 oz
Shackle pin Ø (mm)
5 mm
Shackle pin Ø (in)
3/16 in
Maximum line Ø (mm)
10 mm
Maximum line Ø (in)
3/8 in
Maximum working load (kg)
359 kg
Maximum working load (lb)
792 lb
Breaking load (kg)
1079 kg
Breaking load (lb)
2380 lb
Thank you for visiting our website. We appreciate your interest in our products. Please note that the items advertised on this website may not always be currently in stock at our store. Product availability is subject to change, and we recommend checking directly with our store for the most up-to-date information.