100 Pcs Shockproof Rubber O-rings for Tattoo Machine

Features:
Shockproof rubber o-rings are specifically designed for tattoo machine.
They are good quality.
Ideal for tattooists.

Specifications:
Color: Black
Material: Rubber
Quantity: 100pcs
Outer diameter: 13mm / 0.5in
Inner diameter: 8mm / 0.3in
Thickness: 3mm / 0.1in
Total weight: 20g / 0.7oz

Package list:
100 * Shockproof Rubber O-rings