Low-friction Carbo AirBlocks® are lightweight, strong, reliable—and affordable.These are features all sailors look for when choosing sail controls and a real breakthrough in block design. Companions to Harken’s® popular Black Magic® line, these small, compact blocks have very high working loads for safe, easy trimming no matter how hard the wind blows.
Sideplates of made of high-strength engineering resin and are UV stabilized to provide excellent protection against long-term exposure to salt water and sun. Carbo blocks are perfect for the small-diameter hard lines favored by racers. Works well for jib and mainsheet systems on high performance dinghies.
| Part No. |
Description |
Sheave Dia. |
Length |
Weight |
Shackle Dia. |
Max Line |
SWL |
Break Strength |
| in |
mm |
in |
mm |
oz |
g |
in |
mm |
in |
mm |
lbs |
kg |
lbs |
kg |
| H2636 |
Single/Swivel |
1-9/16 |
40 |
3-3/8 |
86 |
1.6 |
44 |
5/32 |
4 |
3/8 |
10 |
485 |
220 |
1620 |
735 |
| H3637 |
Single/Swivel/Becket |
1-9/16 |
40 |
4 |
102 |
1.7 |
48 |
5/32 |
4 |
3/8 |
10 |
485 |
220 |
1620 |
735 |
| H2638 |
Double/Swivel |
1-9/16 |
40 |
3-11/16 |
94 |
3.2 |
86 |
3/16 |
5 |
3/8 |
10 |
970 |
440 |
2380 |
1080 |
| H2639 |
Double/Swivel/Becket |
1-9/16 |
40 |
4-5/16 |
110 |
3.4 |
90 |
3/16 |
5 |
3/8 |
10 |
970 |
440 |
2380 |
1080 |
| H2640 |
Triple/Swivel |
1-9/16 |
40 |
3-11/16 |
94 |
4.6 |
118 |
3/16 |
5 |
3/8 |
10 |
1455 |
660 |
3050 |
1383 |
| H2641 |
Triple/Swivel/Becket |
1-9/16 |
40 |
4-5/16 |
110 |
4.7 |
122 |
3/16 |
5 |
3/8 |
10 |
1455 |
660 |
3050 |
1383 |
| H2642 |
Double/Fixed |
1-9/16 |
40 |
3-1/2 |
89 |
2.8 |
80 |
3/16 |
5 |
3/8 |
10 |
970 |
440 |
2380 |
1080 |
| H2643 |
Double/Swivel/Becket |
1-9/16 |
40 |
4-3/16 |
106 |
2.9 |
84 |
3/16 |
5 |
3/8 |
10 |
970 |
440 |
2380 |
1080 |
| H2644 |
Cheek |
1-9/16 |
40 |
2-3/4 |
70 |
1.2 |
34 |
- |
- |
3/8 |
10 |
485 |
22 |
1620 |
735 |
| H2645 |
Single/423 Carbo-Cam** |
1-9/16 |
40 |
3-3/8 |
86 |
4.2 |
119 |
5/32 |
4 |
1/4 |
6 |
150 |
668 |
300 |
136 |
| H2646 |
Single/423 Carbo-Cam/Becket** |
1-9/16 |
40 |
4 |
102 |
4.3 |
122 |
5/32 |
4 |
1/4 |
6 |
300 |
136 |
600 |
272 |
| H2647 |
Triple/Swivel/423 Carbo-Cam** |
1-9/16 |
40 |
3-11/16 |
94 |
8.2 |
232 |
3/16 |
5 |
1/4 |
6 |
750 |
340 |
1500 |
680 |
| H2648 |
Triple/Swivel/423 Carbo-Cam/Becket** |
1-9/16 |
40 |
4-5/16 |
110 |
8.3 |
235 |
3/16 |
5 |
1/4 |
6 |
900 |
408 |
1800 |
816 |
| H2649 |
Traveler |
1-9/16 |
40 |
4-1/4 |
108 |
1.8 |
52 |
- |
- |
5/16 |
8 |
330 |
150 |
1000 |
454 |
| H2650 |
Single/Fixed* |
1-9/16 |
40 |
2-1/2 |
64 |
1.4 |
40 |
- |
- |
3/8 |
10 |
485 |
220 |
1620 |
735 |
| H2149 |
Single T2 |
1 9/16 |
40 |
2 1/4 |
57 |
0.9 |
25 |
- |
- |
3/8 |
10 |
485 |
220 |
1,200 |
544 |
| H2148 |
Single T2 Loop |
1 9/16 |
40 |
2 1/4 |
57 |
0.9 |
26 |
- |
- |
3/8 |
10 |
485 |
220 |
1,200 |
544 |
| H2652 |
Stand-up/Fixed* |
1-9/16 |
40 |
2-3/4 |
70 |
1.7 |
48 |
- |
- |
3/8 |
10 |
485 |
220 |
1620 |
735 |
| H2654 |
Quad/Swivel |
1-9/16 |
40 |
3-11/16 |
94 |
6 |
170 |
3/16 |
5 |
3/8 |
10 |
1455 |
660 |
3050 |
1383 |
| H2659 |
90 Degree Head |
1-9/16 |
40 |
2-15/16 |
75 |
1.6 |
44 |
- |
- |
3/8 |
10 |
485 |
220 |
1620 |
735 |
* Can be used as becket block **Safe working loads and breaking
strengths for blocks based on cam strengths
|