Material: Stainless Steel

1.Type A: Length: 23mm, Thread diameter:M6, Inner diameter:4.1mm,fit OD4mm tube.

2.Type B: Length: 23mm, Thread diameter:M6, Inner diameter:2mm,fit 1.75mm filament.

3.Type C: Length: 23mm, Thread diameter:M6, Inner diameter:3.2mm,fit 3.0mm filament.

4.Type D: Length: 27mm, Thread diameter:M6, Inner diameter:4.1mm,fit OD4mm tube.

5.Type E: Length: 23mm, Thread diameter:M6, Inner diameter:2mm,fit 1.75mm filament.

There’re 5 types,please check again before order.Thank you

2 pcs or 4pcs – Throat

———————Type B————————-

———————Type D————————-