54
Wave Catamaran © Robert Hajduk
3230
3233
3388
3231
3243
3232
3244
3242
3241
45°
3244
 3388 
The low-load block has a red 
isolator. It uses Delrin® ball 
bearings, with a 17-4 PH 
stainless headpost and 316 
stainless steel shackles.
75 mm Blocks
About Black Magic Air blocks: see feature pages at beginning of this section.
Delrin is a registered trademark of E. I. du Pont de Nemours and Company or its affiliates.
43 mm
(1 11/16")
72 mm
(2 13/16")
75 mm
(2 15/16")
Part
No.
Description
Sheave
Ø
Length
Weight
Shackle pin
Ø
Max line
Ø
Maximum
working load
Breaking
load
in
mm
in
mm
oz
g
in
mm
in
mm
lb
kg
lb
kg
 3230 
 Single loop* 
 2 15/16 
 75 
 3 15/16 
 100 
 7.36 
 209 
 
 
 9/16 
 14 
 5000 
 2268 
 10000 
 4536 
 3231 
 Single/swivel 
 2 15/16 
 75 
 5 1/8 
 129 
 11.68 
 331 
 5/16 
 8 
 9/16 
 14 
 5000 
 2268 
 10000 
 4536 
 3232 
 Single/swivel/becket 
 2 15/16 
 75 
 6 3/16 
 157 
 12.8 
 363 
 5/16 
 8 
 9/16 
 14 
 5000 
 2268 
 10000 
 4536 
 3233 
 Double/swivel 
 2 15/16 
 75 
 5 1/4 
 134 
 25.44 
 721 
 3/8 
 10 
 9/16 
 14 
 7500 
 3402 
 15000 
 6804 
 3241 
 Spriddle/swivel 
 2 15/16 
 75 
 7 13/16 
 199 
 17.76 
 503 
 5/16 
 8 
 9/16 
 14 
 5000 
 2268 
 10000 
 4536 
 3242 
 Spriddle/swivel/becket 
 2 15/16 
 75 
 8 7/8 
 225 
 18.96 
 538 
 5/16 
 8 
 9/16 
 14 
 5000 
 2268 
 10000 
 4536 
 3243 
 Single/swivel/low-load 
 2 15/16 
 75 
 5 1/8 
 129 
 11.82 
 335 
 5/16 
 8 
 9/16 
 14 
 3000 
 1361 
 6000 
 2722 
 3244 
 Stand-up** 
 2 15/16 
 75 
 5 15/16 
 151 
 15.6 
 442 
 
 
 9/16 
 14 
 5000 
 2268 
 10000 
 4536 
 
 Single loop/wide sheave *
 3 1/4 
 82 
 4 17/32 
 116 
 12.2 
 346 
 
 
 9/16 
2x  14 
 5000 
 2268 
 10000 
 4536 
 *Loop not included. See page 83.     **Includes padeye. Uses hole spacing and base dimensions of 627 padeye. 
 
 
 
 Maximum working load decreases at varying angles, refer to page 87.
Part no. 3202 
Soft attachments save weight 
and do less damage to decks. 
When rigging a 75mm Black 
Magic block, attach it with a 
203mm loop with a line 
diameter of 5mm. 
MOUNT WITH
SOFT ATTACHMENT

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