| G-DR-T1.0 | DOME ROUND WITHOUT PLATING , 0.7-1.1MM THICKNESS |
| G-DR-T1.0D30 | LESS THAN DIAMETER 30MM |
| G-DR-T1.0D301 | DIAMETER 30.1MM TO 35MM |
| G-DR-T1.0D351 | DIAMETER 35.1MM-40MM |
| G-DR-T1.0D401 | DIAMETER 40.1MM TO 45.0MM |
| G-DR-T1.0D451 | DIAMETER 45.1MM TO 50.0MM |
| G-DR-T1.0D501 | DIAMETER 50.1MM TO 55.0MM |
| G-DR-T1.0D551 | DIAMETER 55.1MM TO 60.0MM |
| G-DR-T1.5 | DOME ROUND WITHOUT PLATING , 1.2-1.6MM THICKNESS |
| G-DR-T1.5D30 | LESS THAN DIAMETER 30MM |
| G-DR-T1.5D301 | DIAMETER 30.1MM TO 35MM |
| G-DR-T1.5D351 | DIAMETER 35.1MM-40MM |
| G-DR-T1.5D401 | DIAMETER 40.1MM TO 45.0MM |
| G-DR-T1.5D451 | DIAMETER 45.1MM TO 50.0MM |
| G-DR-T1.5D501 | DIAMETER 50.1MM TO 55.0MM |
| G-DR-T1.5D551 | DIAMETER 55.1MM TO 60.0MM |
| G-DR-T2.0 | DOME ROUND WITHOUT PLATING , 1.7-2.1MM THICKNESS |
| G-DR-T2.0D30 | LESS THAN DIAMETER 30MM |
| G-DR-T2.0D301 | DIAMETER 30.1MM TO 35MM |
| G-DR-T2.0D351 | DIAMETER 35.1MM-40MM |
| G-DR-T2.0D401 | DIAMETER 40.1MM TO 45.0MM |
| G-DR-T2.0D451 | DIAMETER 45.1MM TO 50.0MM |
| G-DR-T2.0D501 | DIAMETER 50.1MM TO 55.0MM |
| G-DR-T2.0D551 | DIAMETER 55.1MM TO 60.0MM |
| G-DR-T2.5 | DOME ROUND WITHOUT PLATING , 2.2-2.6MM THICKNESS |
| G-DR-T2.5D30 | LESS THAN DIAMETER 30MM |
| G-DR-T2.5D301 | DIAMETER 30.1MM TO 35MM |
| G-DR-T2.5D351 | DIAMETER 35.1MM-40MM |
| G-DR-T2.5D401 | DIAMETER 40.1MM TO 45.0MM |
| G-DR-T2.5D451 | DIAMETER 45.1MM TO 50.0MM |
| G-DR-T2.5D501 | DIAMETER 50.1MM TO 55.0MM |
| G-DR-T2.5D551 | DIAMETER 55.1MM TO 60.0MM |
| G-DR-T3.0 | DOME ROUND WITHOUT PLATING , 2.7-3.1MM THICKNESS |
| G-DR-T3.0D30 | LESS THAN DIAMETER 30MM |
| G-DR-T3.0D301 | DIAMETER 30.1MM TO 35MM |
| G-DR-T3.0D351 | DIAMETER 35.1MM-40MM |
| G-DR-T3.0D401 | DIAMETER 40.1MM TO 45.0MM |
| G-DR-T3.0D451 | DIAMETER 45.1MM TO 50.0MM |
| G-DR-T3.0D501 | DIAMETER 50.1MM TO 55.0MM |
| G-DR-T3.0D551 | DIAMETER 55.1MM TO 60.0MM |
| G-DR-T3.5 | DOME ROUND WITHOUT PLATING , 3.6-4.1MM THICKNESS |
| G-DR-T3.5D30 | LESS THAN DIAMETER 30MM |
| G-DR-T3.5D301 | DIAMETER 30.1MM TO 35MM |
| G-DR-T3.5D351 | DIAMETER 35.1MM-40MM |
| G-DR-T3.5D401 | DIAMETER 40.1MM TO 45.0MM |
| G-DR-T3.5D451 | DIAMETER 45.1MM TO 50.0MM |
| G-DR-T3.5D501 | DIAMETER 50.1MM TO 55.0MM |
| G-DR-T3.5D551 | DIAMETER 55.1MM TO 60.0MM |
