* Name, RB-SQ252508 * Material, Acrylic * Precision,30' * Size,25*25*8 * Could bear -40--75 degree * Name,RB-SQ252508* Size,25(L)*25(W)*8(H)MM* This vial is made of Acrylic* The precision is 30'+/-6'* The vial work face have five, when you put down the bottom it on the level table, the air bubble will be at the middle of top face. And when you put the side with mark on the level table, the air ...