The surgical steel stem is 10mm (3/8") long.
Both the top and bottom balls unscrew, so can be taken off and used on any 1.6mm (14g) bar.
Bar - 1.6mm (14g) 316L Surgical Steel
Length - 10mm (3/8")
Ball Size - 5mm Top Ball, 8mm Bottom Ball
Design - Acrylic
Colour - Purple
Also Available in - White, Green, Pink, Blue
Only suitable for use in healed navel piercings
Range - Plastic & Surgical Steel Belly Button Bars