Lus piav qhia luv luv:

Khoom npe: sab ci fiber ntau

Loj: 1.0mm, 2.0mm, 3.0mm, 4.0mm, 5.0mm, 6.0mm, 8.0mm, 10.0mm, 12mm, 14mm.

Xim: pob tshab / dawb
Khoom siv: PMMA
Ua haujlwm kub (℃): -40 - +70 ℃