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Sizing Guide

Finding the right size binding spine can be tricky. Use the chart below to select the perfect spine for your project. Select your spine type one the right or scroll down to find the one you're looking for. Then use our easy to read charts to figure out what size spine you need for your page count.
Binding Covers
Paper Weight Guide
Our sales staff at MyBinding.com are commonly asked about the thicknesses of the binding covers that we carry on our site. Unfortunately, understanding the way that cover stocks are measured can be somewhat tricky since several different measuring standards are used. This article is designed to give you a quick overview of the different measuring standards used for the cover stocks that we carry.
Binding Cover Thickness
Bond (Ledger)
Offset (Text)
Cover
Tag
Index
Points/ Mil
Caliper (Inches)
Millimeters
Metric (g/ sq meter)
16
40
22
37
33
3.2
0.0032
0.081
60.2
18
45
24
41
37
3.6
0.0036
0.092
67.72
20
50
28
46
42
3.8
0.0038
0.097
75.2
24
60
33
56
50
4.8
0.0048
0.12
90.3
28
70
39
64
58
5.8
0.0058
0.147
105.35
29
73
40
62
60
6
0.006
0.152
109.11
31
81
45
73
66
6.1
0.0061
0.155
116.63
35
90
48
80
74
6.2
0.0062
0.157
131.68
35
90
50
82
75
6.8
0.0068
0.173
135.45
39
100
54
90
81
7.2
0.0072
0.183
146.73
40
100
56
93
83
7.3
0.0073
0.185
150.5
43
110
60
100
90
7.4
0.0074
0.188
161.78
44
110
61
102
92
7.6
0.0076
0.193
165.55
47
120
65
108
97
7.6
0.0076
0.198
176.83
53
135
74
122
110
8.5
0.0085
0.216
199.41
54
137
75
125
113
9
0.009
0.229
203.17
58
146
80
134
120
9.2
0.0092
0.234
218.22
65
165
90
150
135
9.5
0.0095
0.241
244.56
67
170
93
156
140
10
0.01
0.25
252.08
72
183
100
166
150
11
0.011
0.289
270.9
76
192
105
175
158
13
0.013
0.33
285.95
82
208
144
189
170
14
0.014
0.356
308.52
87
220
120
200
180
15
0.015
0.38
312
105
267
146
244
220
17.5
0.0175
0.445
385.06
Fastback
Fastback Strips Sizing Guide
Fastback binding strips are available in a variety of types and sizes. Each strip is capable of holding a range of the number of pages in your project. Consult the chart below to find the right size strip for your needs.
Super Strips and Comp Strips
Perfectback Strips
CP Strips
LX & LX Comp Strips
Image Blanks
Narrow
0.5" Thick
~10 - 125 Sheets
0.5" Thick
~10 - 125 Sheets
0.3" Thick
~60 Sheets
0.4" - 0.7" Thick
~10 - 125 Sheets
 
Medium
0.5" - 1.0" Thick
~126 - 250 Sheets
0.5" - 1.0" Thick
~126 - 250 Sheets
0.3" - 0.5" Thick
~61 - 125 Sheets
0.7" - 1.0" Thick
~126 - 250 Sheets
 
Wide
1.0" - 1.5" Thick
~251 - 350 Sheets
1.0" - 1.5" Thick
~251 - 350 Sheets
 
 
1.5" Thick
~350 Sheets
Velobind/ Surebind
Velobind/ Surebind Sizing Guide
Velobind and Surebind spines are a fast and secure way to bind your documents. MyBinding offers multiple of sizes to hold a range of page counts. Use the chart below to find the right size binding spine for your project.
Pin Length
Capacity (20# Paper)
1" Pin
250 Sheets
2" Pin
500 Sheets
3" Pin
750
ProClick
ProClick Sizing Guide
MyBinding carries ProClick binding spines in a range of sizes. Use the chart below to find the right size for your job.
Size
Capacity (20# Paper)
5/16"
45 Sheets
1/2" Pin
85 Sheets
5/8"
110
Metal
Metal Sizing Guide
Metal binding spines are available in a range of sizes that hold between 20 and 300 pages. Use the chart below to find the right size spine for your project.
Size
Capacity (20# Paper)
5mm
20 - 35 Sheets
7mm
35 - 50 Sheets
10mm
50 - 75 Sheets
13mm
75 - 110 Sheets
16mm
110 - 150 Sheets
20mm
150 - 190 Sheets
24mm
190 - 230 Sheets
28mm
230 - 265 Sheets
33mm
265 - 300 Sheets
Thermal
Thermal Sizing Guide
Thermal covers are a fast and easy way to bind projects in a range of sizes. Use the chart below to find the right sized cover for your needs.
Size
Capacity (20# Paper)
1/16"
10 Sheets
1/8" Pin
25 Sheets
1/4"
50 Sheets
3/8"
75 Sheets
1/2"
100 Sheets