Feature(may vary by option.)

●Polishing lockups are primarily used to polish crystals and jade
●Suitable for grinding and polishing jewelry, glass, rock, etc
●Diamond coating surface area: almost 97%
●All flat rim wheels have 4" (about) OD and 5/8" (about) arbor bore
●Compatible with various electric rotary tools. DIY Application Needs

[400 silver]

Description

Outer Diameter: 4.0 inches (100 mm)
Shaft Hole Diameter: 16mm (5/8")
Grit size: 80#/180#/240#/400#/800#/1000#/2000#
Quantity:1PC
Package included: 1 x Polishing Grinding Disc
Only the above package is included, other accessories demo in the picture is not included.
1in = 2.54cm, 1cm = 10mm = 0.39inch
Note:
Please allow 1-3mm error due to manual measurement. Please do not mind before bidding.
Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!