Low profile glass on glass bushing. Outer diameter is an 18mm fitting, and inner diameter is a 14mm fitting. Ideal for converting a piece or accessory from one size to the other. See image for further clarification.

- Height: 3 inches
- Width: 1 inches
- Weight: 52 grams
- Joint Size: 18mm
- Sandblasted design

- Height: 3 inches
- Width: 1 inches
- Weight: 42 grams
- Joint Size: 18mm
- Sandblasted design