1.Q: Ntev npaum li cas cov screws nws tuaj nrog?
A: Feem ntau M12 * 25
2.Q: Nws puas tuaj yeem xaj ob lub voj voog thiab ob qho uas tsis yog?kiv?
3.A: Yog, muaj ob hom caster, Swivel thiab Swivel nrog nres.
Q: Cov castors no puas tuaj yeem siv sab nraum zoov?
A: Yog, nws nyob ntawm koj qhov yuav tsum tau ua rau caster loj thiab lub peev xwm thauj khoom.
4.Q: Dab tsi yog lub log dia ntawm cov casters?
A: Muaj 3 txog 5 nti