16
29 MM
40 MM
57 MM
2185
2187
2186
2188
2189
1211
2194
1212
2190
2191
2192
2193
2199
1213
2195
2196
2197
2198
Part
No.
Description
Sheave
Ø
Length
Weight
Max line
Ø
Maximum
working load
Breaking
load
in
mm
in
mm
oz
g
in
mm
lb
kg
lb
kg
2185
29 mm Single
1  1/8 
29
1 11/16
43
0.37
10.5
  1/4 
6
175
80
525
240
2186
29 mm Single w/ becket
1  1/8 
29
2  1/8 
54
0.44
12.6
  1/4 
6
175
80
525
240
2187
29 mm Double
1  1/8 
29
1 11/16
43
0.72
20.4
  1/4 
6
350
160
1050
480
2188
29 mm Double w/ becket
1  1/8 
29
2  1/8 
54
0.79
22.5
  1/4 
6
350
160
1050
480
2189
29 mm Triple
1  1/8 
29
1 11/16
43
1.07
30.4
  1/4 
6
525
240
1575
720
1211
29 mm Triple w/ becket
1  1/8 
29
2  1/8 
54
1.15
32.5
  1/4 
6
525
240
1575
720
2190
 40 mm Single 
1  9/16
40
2  3/8 
60
0.81
22.9
  5/16
8
250
115
750
340
 2191
 40 mm Single w/becket
1  9/16
40
2  7/8 
73
0.93
26.5
  5/16
8
250
115
750
340
 2192 
 40 mm Double
1  9/16
40
2  3/8 
60
1.58
44.7
  5/16
8
500
230
1500
680
 2193 
 40 mm Double w/becket 
1  9/16
40
2  7/8 
73
1.68
47.6
  5/16
8
500
230
1500
680
2194
40 mm Triple
1  9/16
40
2  3/8 
60
2.35
66.5
  5/16
8
750
345
2250
1020
1212
40 mm Triple w/ becket
1  9/16
40
2  7/8 
73
2.47
70
  5/16
8
750
345
2250
1020
 2195 
 57 mm Single
2  1/4 
57
3 1/8
79
1.58
44.8
  3/8 
10
330
150
990
450
 2196
 57 mm Single w/becket
2  1/4 
57
3 3/4
95
1.81
51.4
  3/8 
10
330
150
990
450
 2197
 57 mm Double 
2  1/4 
57
3 1/8
79
3.05
86.4
  3/8 
10
660
300
1980
900
 2198 
 57 mm Double w/becket
2  1/4 
57
3 3/4
95
3.27
92.7
  3/8 
10
660
300
1980
900
2199
57 mm Triple
2  1/4 
57
3  1/8 
79
4.52
128
  3/8 
10
990
450
2970
1350
1213
57 mm Triple w/ becket
2  1/4 
57
3  3/4 
95
4.73
134
  3/8 
10
990
450
2970
1350
Zircon Blocks
The Family Is Growing
How do we know when a product is making a difference? Riggers and 
sailors send photos and impromptu reviews of how they’re using the 
product in different ways. And then they start asking us to make more. 
They want them bigger and stronger and they want more sheaves and 
they want beckets so they can improve the performance of more 
systems. And you know what? They ask for smaller versions too for 
dinghy control lines. So here we go. We’ve been saying all along that 
Zircon ceramic blocks are uncommonly responsive. Trimmers certainly 
have been using them to feel tiny changes in breeze and quickly 
adjust sail shapes in fractions of time and sheet. But they’ve also 
been splicing them in under the deck in multi-purchase systems that 
now ease - easier. Go ahead, try them…anywhere it makes sense. 
They won’t disappoint. 

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