Stainless steel
SS+Brass
titanium
The following are the detailed specifications of the linkage ghost star:
Dimensions: Body diameter 60mm, thickness 12.2mm, overall thickness 16.3mm
Weight: Stainless Steel (139g) Copper (143g) Titanium (85g)
Bearing specifications: 6703*1, R188*1 (all bearings can be manually replaced)
Others: some steel balls