Isizukulwane sakamuva se-ratchet yesitayela sezimboni esivela ku-Teng Tools enamazinyo angu-72 ukunikeza ukukhuphuka okungu-5degree phakathi kokuchofoza ukuze ufinyelele kahle ezindaweni ezivaliwe. Isibambo esifushane kanye nedizayini ezacile ndawonye nokubamba kwezinto ezimbili kanye ne-twist reverse konke kuhlanganiswe ukwenza ukunethezeka ukusebenzisa i-ratchet. Indlela engaxakile enamazinyo amaningana asebenza kanyekanye ukuze athole umthamo wetorque ephezulu, impilo enwetshiwe kanye nokusevisa okulula. Ilungele ukusetshenziswa ezindaweni ezivalekile nalapho kudingeka khona isenzo esibushelelezi.
| Shayela | I-DIN | Incazelo | Inani lamazinyo | Ubude (mm) | Isisindo (g) |
| 1/4 intshi | 3122D | i-ratchet | 72 | 90 | 100 |