Lub Rauj lub zog Xaiv cov kev tshem tawm duav duav yog qhov tseem ceeb ntawm lub zog ntawm kev ua kom muaj zog. Lub ratchet mechanism tso cai rau cov qoj ib ce kom kho tau nyob rau hauv 10-degree nce ntxiv, thiab cov haujlwm ko taw muab cov hauv caug sab ceg ib ncig ntawm lub hauv caug. 22 daim 22 daim tso rau hauv rab rauj lub zog xaiv txoj kab muab cov lus qhia txog rauj cov khoom siv.
- Ratchet Mechanism tso cai rau cov neeg siv los kho txoj haujlwm pib hauv 10-degree nce
- Lub hauv caug hauv caug thiab ob sab dualoo muab kev txhawb nqa txhais tau thiab txo qis torque ib ncig ntawm lub hauv caug