KAISI microscope focusing frame three eyes with screw holes 32mm

Features:Expand the operating range, observe the target in any direction and angle.Vertical height : 260mmHorizontal distance: 500mmBase size: 34x41mmMaximum fixture: 50mmSteel gears on the focus bracket.Standard Size Focus Stand - Fits an oscilloscope head with a diameter of 76mm and a connection diameter of 16mm. weight：4kgPackage includes:1 x Folding swing arm1 x horizontal column1 x Short horizontal column1 x Base1 x limit block2 x knobs3 x small screws3 x small iron rings