Clayton Bottleneck/Slide Glass
- Heavy Wall slides
- First-class Glass bottlenecks, made in USA
- With instructions, individually packed in plastic transport box
- 3 sizes, small, red box: length 72 mm, inner diameter 19 mm
- Medium, blue box: length 72 mm, inner diameter 20,3 mm
- Large, see-through box: length 72 mm, inner diameter 22,15 mm