Rotary Table Divider Indexing Head Vertical Dual-purpose Manual Simple Turntable
HV-4 inch indexing disc 
Diameter of disc: 110mm 
Center through hole: 16mm 
Indexing error: 360° error 0.04° 
Turbine-worm speed ratio: 1:72 
Vertical center height: 85.5mm 
Weight: 10kg