Specifications:

I will package well and protect your privacy 100%
Best Workmanship, smooth and easy wear take off
Heavy Weight, high quality
Material: 304 stainless steel
Color: silver
Screw Type
30MM/1.18"=430/15.17oz, 
40MM/1.57"=595g/20.99oz, 
60MM/2.36"=850g/29.98oz
Items size and weight maybe have some measure error, this is normally. please understanding! Thanks
Package
1 x Ball
Discreet Package