Cov Khoom Siv: PET txheej steel hlau xoob Loj: 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 3/4, 7/8, 1, 1-1 / 8, 1-1 / 4, 1-3 / 8, 1-1 / 2. Pov: 3: 1 & 2: 1 Xim: dawb, dub, nyiaj, tooj, kub, thiab lwm yam Pob: hauv spool lossis ntuag-ntev. Kev siv: phau ntawv sau los khi