Seal Details
Type: 1659
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Metric Dimensions
| D0 | Size Code | D3 | L1 | Seat Size |
| 16 | 0160 | 26 | 23 | 160 |
| 18 | 0180 | 32 | 24 | 180 |
| 20 | 0200 | 34.5 | 24 | 200 |
| 22 | 0220 | 36.5 | 24 | 220 |
| 24 | 0240 | 38.6 | 26.7 | 240 |
| 25 | 0250 | 40 | 27 | 250 |
| 28 | 0280 | 43 | 30 | 280 |
| 30 | 0300 | 45 | 30.5 | 300 |
| 32 | 0320 | 47.1 | 30.5 | 320 |
| 33 | 0330 | 48.2 | 30.5 | 330 |
| 35 | 0350 | 50 | 30.5 | 350 |
| 38 | 0380 | 54 | 32 | 380 |
| 40 | 0400 | 56 | 32 | 400 |
| 43 | 0430 | 59 | 32 | 430 |
| 45 | 0450 | 61 | 32 | 450 |
| 48 | 0480 | 64.2 | 32 | 480 |
| 50 | 0500 | 66.3 | 34 | 500 |
| 53 | 0530 | 69.7 | 34 | 530 |
| 55 | 0550 | 70.8 | 34 | 550 |
| 58 | 0580 | 78 | 39 | 580 |
| 60 | 0600 | 80.1 | 39 | 600 |
| 63 | 0630 | 85.2 | 39 | 630 |
| 65 | 0650 | 85.2 | 39 | 650 |
| 68 | 0680 | 87.8 | 39 | 680 |
| 70 | 0700 | 90 | 45.5 | 700 |
| 75 | 0750 | 95 | 45.5 | 750 |
| 80 | 0800 | 104.1 | 45 | 800 |
| 85 | 0850 | 109.3 | 45 | 850 |
| 90 | 0900 | 114 | 50 | 900 |
| 95 | 0950 | 119.2 | 50 | 950 |
| 100 | 1000 | 124.1 | 50 | 1000 |