). Heavy duty aluminum alloy frame thickness and colour oxidized coated.
2.)3pcs of entire level indicate level,45,plumb.
1). Heavy duty aluminum alloy frame thickness=1.4~1.8±0.1mm and colour oxidized coated.Double datum plane
are milled finish.
2).3 pcs of entire level vial indicate level, 45° and plumb with viewfinder,which 90°bubble could be observed from the window. .
3)Tolerance of accuracy:0.029°=0.5mm/m based on main datum plane and 0.057°=1mm/m on opposite datum plane.
4).Soft cover is slide-proof, shockproof and protects ruler body.Spirit levelsize:300,400,500,600,800,1000mm
Heavy duty aluminum alloy frame thickness Spirit level MTO011