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 ac retractare ad mensuram foraminis recuperet. Utrum EXERCITATIO verticalis bene vel directionalwell, tres-cylindrus reamator potest curare frenum vel armamentum sequentem terebram incurrere in magnitudine foraminis thenormal. 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 | |