53
Wave Catamaran © Robert Hajduk
3230
3233
3388
3231
3243
3232
3244
3242
3241
45°
3244
 3388 
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 81.     **Includes padeye. Uses hole spacing and base dimensions of 627 padeye. 
 
 
 
 Maximum working load decreases at varying angles, refer to page 85.
NEW

View this content as a flipbook by clicking here.