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Schaefer Blocks Technical Information
Go to: Schaefer Blocks | Schaefer Blocks Description
Schaefer Blocks Tech Info
- Series 1
- Series 2
- Series 3
- Series 5
- Series 7
- Series 8 / 9
- Series 10 / 11
- Series 12 / 120 		- Over the Top
- Footblock
- Snatch Blocks
- Wire Blocks

 - Mast Half Moon Fixed
- Mast Half Moon Hinged
- Mast Halyard Lift
- Stand Up Swivel

Series 1: Sheave 3/4" (19 mm)schaefer block Order online
Part
No.
Description
Length
Width
Overall
Thickness
Weight
in
mm
in
mm
in
mm
oz
g
______________________________________________________________________________________________
0102 Single/Lashing eye
1 13/32
35
7/8
22
15/32
12
1
28
0103 Single/Front Side Shackle
1 31/32
50
7/8
22
15/32
12
1
28
0104 Single/Upset
2 1/32
52
7/8
22
15/32
12
1
28
0105 Single/Swivel/Schackle
2 19/32
66
7/8
22
15/32
12
1
28
0107 Single/Swivel Eye
2 1/32
51
7/8
22
15/32
12
1
28
0112 Single/Lashing Eye/Becket
1 13/16
46
7/8
22
15/32
12
1.25
35
0113 Single/Front Side/Becket
2 3/8
61
7/8
22
15/32
12
1.25
35
0115 Single/Front Side/Becket
3
76
7/8
22
15/32
12
1.25
35
0117 Single/Swivel Eye/Becket
2 7/16
62
7/8
22
15/32
12
1.25
35
3401 Mini-Utility
1 13/16
31
3/4
19
15/32
12
1
28
3406 Mini-Farlead
1 1/2
38
1 1/2
38
15/32
12
1
28

** Safe working load 750 lbs. ( 340 kg)

Series 2: Sheave 1 1/16" (27 mm)schaefer blockOrder online
Part
No.
Description
Length
Width
Overall
Thickness
Weight
in
mm
in
mm
in
mm
oz
g
______________________________________________________________________________________________
0202 Single/Lashing Eye
2 11/32
59
1 3/16
30
19/32
15
1.5
43
0203 Single/Front Side/Schackle
3 15/32
88
1 3/16
30
19/32
15
1.75
50
20003 Single/Front Side/Schackle
3 15/32
88
1 3/16
30
19/32
15
1.75
50
0205 Single/Swivel/Schackle
3 1/2
89
1 3/16
30
19/32
15
2
51
20005 Single/Swivel/Schackle
3 1/2
89
1 3/16
30
19/32
15
2
51
0207 Single/Swivel Eye
2 3/4
70
1 3/16
30
19/32
15
1.5
43
0213 Single/Front Side/Becket
4 5/32
106
1 3/16
30
19/32
15
1.75
50
20013 Single/Front Side/Becket
4 5/32
106
1 3/16
30
19/32
15
1.75
50
0215 Single/Swivel/Becket
4 3/16
107
1 3/16
30
19/32
15
2.5
71
0223 Double/Front Side/Shackle
3 15/32
88
1 3/16
30
1 1/8
28
3
85
0224 Douvle/Upset/Shackle
3 9/32
83
1 3/16
30
1 1/8
28
3
85
0233 Double/Front Side/Becket
4 5/32
106
1 3/16
30
1 1/8
28
3
85
0243 Fiddle/Side/Shackle
4 7/16
112
1 7/8
48
15/32
12
2.5
71
0253 Fiddle/Side/Becket
4 7/8
124
1 7/8
48
15/32
12
3
85
2553 Fiddle/V-Jam/Becket
4 7/8
124
2 5/32
55
15/32
12
3
85
2543 Fiddle/V-Jam/Becket
4 7/16
112
2 5/32
55
15/32
12
3.5
99

** Safe working load 500 lbs. ( 225 kg)

Series 3: Sheave 1 7/16" ( 37 mm)schaefer blockOrder online
Part
No.
Description
Length
Width
Overall
Thickness
Weight
in
mm
in
mm
in
mm
oz
g
______________________________________________________________________________________________
03 Single/Lashing Eye
2 7/8
73
1 9/16
40
3/4
19
2.3
65
30002 Single/Lashing Eye
2 7/8
73
1 9/16
40
3/4
19
1.7
48
0303 Single/Front Side/Shackle
3 25/32
96
1 9/16
40
3/4
19
2.6
73
30303 Single/Front Side/Shackle
3 25/32
96
1 9/16
40
3/4
19
2.1
59
0304 Single/Upset/Shackle
3 23/32
94
1 9/16
40
3/4
19
2.7
76
0305 Single/Swivel/Shackle
3 25/32
96
1 9/16
40
3/4
19
2.7
76
30305 Single/Swivel/Shackle
3 25/32
96
1 9/16
40
3/4
19
2.4
68
30005 Single/Swivel/Shackle
3 25/32
96
1 9/16
40
3/4
19
2.4
68
0307 Single/Swivel Eye
3 3/32
79
1 9/16
40
3/4
19
2.4
68
0312 Single/Lashing Eye/Becket
3 19/32
91
1 9/16
40
3/4
19
2.6
74
0313 Single/Front Side/Becket
4 1/2
114
1 9/16
40
3/4
19
3.1
88
30313 Single/Front Side/Becket
4 1/2
114
1 9/16
40
3/4
19
2.7
76
0315 Single/Swivel/Becket
4 1/2
114
1 9/16
40
3/4
19
3.1
88
30315 Single/Swivel/Becket
4 1/2
114
1 9/16
40
3/4
19
2.8
79
0323 Double/Front Side/Shackle
3 25/32
96
1 9/16
40
1 7/16
37
4.1
116
30323 Double/Front Side/Shackle
325/32
96
1 9/16
40
1 7/16
37
3.3
94
30023 Double/Front Side/Shackle
3 25/32
96
1 9/16
40
1 7/16
37
3.3
94
0333 Double/Front Side/Becket
4 1/2
114
1 9/16
40
1 7/16
37
5.1
145
30333 Double/Front Side/Becket
4 1/2
114
1 9/16
40
1 7/16
37
4.3
122
30033 Double/Front Side/Becket
4 1/2
114
1 9/16
40
1 7/16
37
4.3
122
0345 Fiddle/Swivel/Shackle
5 3/8
137
1 7/8
48
3/4
19
4.5
128
30345 Fiddle/Swivel/Shackle
5 3/8
137
1 7/8
48
3/4
19
4.4
125
0355 Fiddle/Swivel/Becket
6 7/32
158
1 7/8
48
3/4
19
4.8
136
30355 Fiddle/Swivel/Becket
6 7/32
158
1 7/8
48
3/4
19
4.8
136
30343 Fiddle/Front Side/Shackle
5 3/8
137
1 7/8
48
3/4
19
4
113
30353 Fiddle/Front Side/Becket
6 7/32
158
1 7/8
48
3/4
19
4.7
133
30373 Fiddle/Front Side/Cam
5 3/8
137
3 1/4
83
2 5/16
59
8.8
249
30375 Fiddle/Swivel/Cam
5 3/8
137
3 1/4
83
2 5/16
59
8.9
252
30383 Fiddle/Front Side/Cam/Becket
6 7/32
158
3 1/4
83
2 5/16
59
9.5
269
30385 Fiddle/Swivel/Cam/Becket
6 7/32
158
3 1/4
83
2 5/16
59
9.6
272

** Safe working load 1000 lbs. ( 450 kg)
Series 5: Sheave 2" (51 mm)schaefer blockOrder online


Part
No.
Description
Length
Width
Overall
Thickness
Weight
in
mm
in
mm
in
mm
oz
g
______________________________________________________________________________________________
50505 Single
4 13/32
112
2 1/8
54
15/16
24
7.1
201
50405 Single
4 13/32
112
2 1/8
54
15/16
24
5
142
50605 Single
4 13/32
112
2 1/8
54
15/16
24
5
142
50515 Single/Becket
5 17/32
140
2 1/8
54
15/16
24
8.3
235
50415 Single/Becket
5 17/32
140
2 1/8
54
15/16
24
5.7
162
50615 Single/Becket
5 17/32
140
2 1/8
54
15/16
24
5.7
162
50525 Double
5 1/16
129
2 1/8
54
1 21/32
42
11.6
329
50425 Double
5 1/16
129
2 1/8
54
1 21/32
42
8.3
235
50625 Double
5 1/16
129
2 1/8
54
1 21/32
42
8.3
235
50535 Double/Becket
6 3/16
157
2 1/8
54
1 21/32
42
12.8
363
50435 Double/Becket
6 3/16
157
2 1/8
54
1 21/32
42
9.1
258
50635 Double/Becket
6 3/16
157
2 1/8
54
1 21/32
42
9.1
258
50590 Triple
4 13/32
112
2 1/8
54
2 3/8
61
13.5
383
50490 Triple
4 13/32
112
2 1/8
54
2 3/8
61
9.2
261
50690 Triple
4 13/32
112
2 1/8
54
2 3/8
61
9.2
261
50593 Triple/Cam/Becket
5 17/32
140
4
102
2 5/16
58
1.3lb
539
50493 Triple/Cam/Becket
5 17/32
140
4
102
2 5/16
58
1.1lb
482
50693 Triple/Cam/Becket
5 17/32
140
4
102
2 5/16
58
1.1lb
482
50595 Triple/Becket
5 17/32
140
2 1/8
54
2 3/8
61
14.6
414
50495 Triple/Becket
5 17/32
140
2 1/8
54
2 3/8
61
12.8
363
50695 Triple/Becket
5 17/32
140
2 1/8
54
2 3/8
61
12.8
363
50597 Triple/Cam
4 25/32
122
4
102
2 3/8
61
1.4lb
567
50497 Triple/Cam
4 25/32
122
4
102
2 3/8
61
1.4lb
567
50409 Single/Snap Shackle
4 7/8
124
2 1/8
54
15/16
24
5.4
153
50419 Single/Snap Shackle/Becket
5 31/32
256
2 1/8
54
15/16
24
6.2
176
50545 Fiddle
6 7/16
163
2 3/8
60
15/16
24
11.3
320
50445 Fiddle
6 7/16
163
2 3/8
60
15/16
24
7.3
207
50645 Fiddle
6 7/16
163
2 3/8
60
15/16
24
7.3
207
50555 Fiddle/Becket
7 3/16
183
2 3/8
60
15/16
24
11.9
337
50455 Fiddle/Becket
7 3/16
183
2 3/8
60
15/16
24
8
227
50566 Fiddle/Cam
6 7/16
163
4 1/8
105
2 5/16
58
1.1lb
482
50466 Fiddle/Cam
6 7/16
163
4 1/8
105
2 5/16
58
13
368
50666 Fiddle/Cam
6 7/16
163
4 1/8
105
2 5/16
58
13
368
50575 Fiddle/Cam/Becket
6 13/32
163
3 7/32
82
2 5/16
58
14.9
422
50475 Fiddle/Cam/Becket
6 13/32
163
3 7/32
82
2 5/16
58