56
Kinina, Swan 78, 23.99 m (78.70'), Germán Frers design © Nautor Swan
3256
3255
3261
3266
3267
3262
A
B
45°
C
The center becket provides block 
with additional stiffness for 
deadending purchases.
125 mm & 150 mm Blocks
About Black Magic Air blocks: see feature pages at beginning of this section.
*Loop not included. See page 83.     **Includes padeye. Uses hole spacing and base dimensions of 648 padeye. Maximum working load decreases at varying angles, refer to page 87.    
‡ Uses hole spacing and base dimensions of 629 padeye. Maximum working load decreases at varying angles, refer to page 87.
Part
No.
A
B
C
in
mm
in
mm
in
mm
 3261 
 3 21/32 
 93 
 4 3/16 
 106 
 2 1/4 
 57 
 3266 
 3 3/4 
 95 
 5 3/16 
 132 
 3 5/8 
 92 
Stand-Up Blocks
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
 125 mm 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 3255 
 Single loop* 
 4 15/16 
 125 
 6 
 163 
 23.78 
 674 
 
 
 3/4 
 19 
 11000 
 4990 
 22000 
 9979 
 3256 
 Single/swivel 
 4 15/16 
 125 
 10 
 254 
 37.31 
 1058 
 1/2 
 12 
 3/4 
 19 
 11000 
 4990 
 22000 
 9979 
 3261 
 Stand-up** 
 4 15/16 
 125 
 9 1/16 
 230 
 44.72 
 1268 
 
 
 3/4 
 19 
 11000 
 4990 
 22000 
 9979 
 3267 
 Center becket 
 
 
 2 3/8 
 60 
 4.8 
 136 
 
 
 
 
 3667 
 1663 
 
 
 150 mm 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 3262 
 Single/swivel 
 5 15/16 
 150 
 12 
 305 
 64.9 
 1840 
 5/8 
 16 
 1 
 25 
 15000 
 6804 
 30000  13608 
 3266 
 Stand-up ‡ 
 5 15/16 
 150 
 11 1/8 
 283 
 85.34 
 2419 
 
 
 1 
 25 
 15000 
 6804 
 30000  13608 
Part no. 3147 
Use the 400mm soft attach 
loop with a line diameter of 
11mm to rig the 125mm Black 
Magic block. Loops stand up 
to the strength requirements 
while offering a low weight 
option. 
MOUNT WITH
SOFT ATTACHMENT

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