Rollerus reamer ad varias operationes reamingas destinatur, adhiberi potest in formatione durae vel laesurae, ut mensurae foraminis magnitudinem servet. Cum thedrill frenum atterit et sub magnitudine mensurae, cylindrus reamer potest fundum bene et retractare ad mensuram foraminis recuperandam. Utrum EXERCITATIO verticalis bene vel directionalwell, tres-cylindrus reamator potest curare frenum vel armamentum sequentem terebram incurrere in magnitudine foraminis thenormalis. Lineae cylindri reamatoris humiles sunt resistentia frictionale paries, resistentia fortis laesura et longae vitae usus.
| Wworking OD | ID | Corpus OD | OAL' | Rollerus OD | Longitudo Rollerus | Conneetion | |
| mm (inch) | mm (inch) | mm (inch) | mm (ft) | mm (incb) | mm (inch) | ||
| 149.2(5-7/8) | 31.8 (1-1/4) | 120.7 (4-3/4) | 1400(4.6) | 46 (1-13/16) ; | 200(7-7/8) | NC38 | |
| 152.4 (6) | 31.8 (1-1/4) | 120.7 (4-3/4) | 1400(4.6) | 50.8 (2) | 200(7-7/8) | NC38 | |
| 215.9(8-1/2) | 44.5(1-3/4) | 165(6-1/2) | 1730(5.7) | 71.4 (2-13/16) ; | 200(7-7/8) | NC50 | |
| 311.15(12-1/4) | 71.4(2-13/16) | 203 (8). | 1900 (6.2) | 100 (3-15/16) | 300 (11-13/16) | 6-5/8REG | |
| 444.5 (17-1/2) | 76.2 (3) | 229 (9). | 2200(7.2) | 140(5-1/2) | 304 (12) | 7-5/8REG | |
| 558.8(22) | 76.2 (3) | 241.3 (9-1/2) | 2667 (8.8) | 158 (6-7/32) | 400 (15-3/4) | 7-5/8REG | |
| 660.4(26) | 76.2 (3) | 241.3 (9-1/2) | 2867 (9.4) | CLXXVIII (7). | 400 (15-3/4) | 7-5/8REG | |
| 711.2 (28). | 76.2 (3) | 241.3 (9-1/2) | 2867 (9.4) | CLXXVIII (7). | 400 (15-3/4) | 7-5/8REG | |