FIND THE PERFECT RING BINDER FOR YOUR QRH
| BRAND | aerad | aerobinder ii | aerometal | aeroflex |
| material | nylon | nylon | metal | stainless steel core polyurethane coating |
| mechanism | clasping ring | clasping ring | sliding spine | locking ball-in-socket |
| ring shape | flat ring | round ring | flat ring | round ring |
| diameters available | 7 | 5 | 3 | 5 |
| 13mm / 0.5 in. | x | x | ||
| 19mm / 0.75 in. | x | |||
| 25mm / 1 in. | x | x | x | |
| 31.75mm / 1.25 in. | x | |||
| 32mm / 1.27 in. | x | |||
| 35mm / 1.38 in. | x | x | ||
| 39mm / 1.5 in. | x | x | x | |
| 44mm / 1.75 in. | x | |||
| 50mm / 2 in. | x | x | x | |
| 56mm / 2.23 in. | x | |||
| 63mm / 2.48 in. | x | |||
| 64.5mm / 2.54 in. | x | |||
| ring patterns available | 6 | 4 | 1 | 7 |
| 7-ring | x | x | x | |
| 9-ring | x | x | ||
| 10-ring | x | x | x | |
| 11-ring | x | x | x | |
| 12-ring | x | x | ||
| 13-ring | x | x | ||
| 22-ring | x | x | x | |
| quickly updatable | yes | yes | no | yes |
| in use by: | Aircraft Manufacturers | International airlines | airbus | Military |
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