Feature:

1, 3 Block vials (90 °, 180 °, 45 °) maimakon tubular vials, da daidaito shi ne 0.5mm / m

2, Tã-taƙawa Aluminum firam.

3, Scale bugu a saman matakin.

4, Foda shafi gama ko launi Anodized gama.

5, Top karanta kwance vial for sauki aiki.

6, Girman samuwa: 400mm ~ 2000mm