#1:

-Post material: stainless steel

-Gauge: 20g | 0.8mm

-Post length: 6mm

-Dimensions: 5mm Length x 5mm Width

-Include: single item

 #2:

-Post material: gold plated with internal stainless steel

-Gauge: 20g | 0.8mm

-Post length: 6mm

-Dimensions: 3.1mm Length x 8.7mm Width

-Include: single item

#3:

-Post material: stainless steel

-Gauge: 20g | 0.8mm

-Post length: 6mm

-Dimensions: 3.3mm Length x 3.3mm Width

-Include: single item

#4:

-Material: gold plated with internal  brass

-Internal diameter: 8mm | 0.31"

-Adjustable

SET:

-Include: #1, #2, #3, #4 (Total 4 pieces)

* Shop extra ball backing .