Features:
Heavy duty ALU,alloy frame oxidized.
3acrylic vial indicate level,plumb and 45°
Accuracy on a datum plane 0.057°=1mm/m.
Strong magnet inserted.
Angle finder used in measuring pitch of tube φ4″and above,angle measuring range 0~6°,accuracy 0.086°=1.5mm/m.
V-Groove for Pipe which Diametre less than 2″
Printed mm/inch.