Lus piav qhia luv luv:

Cov Khoom Siv Nto Loj Caij Nplooj Ntoos Hlav Carbon steel zinc plated M6 * 34.5 * 19 * 6 M8 * 34.5 * 19 * 6 M10 * 34.5 * 19 * 8M12 * 34.5 * 19 * 9