TMX Semi-Machined Type A1/A2 Backplates for Universal Chucks
| Item Number | 3-873-065 | 3-873-085 | 3-873-086 | 3-873-106 | |
| Chuck | in | 6-1/4" | 8 | 8 | 10 |
| Mount | A-5 | A-5 | A-6 | A-6 | |
| Weight | lb | 6.5 | 19 | 15.5 | 38 |
| A | in | 6.4 | 7.99 | 7.99 | 9.96 |
| B | in | 1 | 1.5 | 1.3 | 1.3 |
| C | in | 3.13 | 1.5 | 1.5 | 3.17 |
| D | in | 4.125 | 4.125 | 5.25 | 5.25 |
| E | in | 3.25 | 3.25 | 4.19 | 4.19 |
| Item Number | 3-873-108 | 3-873-126 | 3-873-128 | |
| Chuck Diameter (D) | in | 10 | 12-1/2" | 12-1/2" |
| Mount | A-8 | A-6 | A-8 | |
| Weight | lb | 33 | 45 | 62 |
| A | in | 9.96 | 12.52 | 12.52 |
| B | in | 1.97 | 1.3 | 2.17 |
| C | in | 3.17 | 4.06 | 4.06 |
| D | in | 6.75 | 5.25 | 6.75 |
| E | in | 5.5 | 4.19 | 5.5 |
