20mm OD x 16mm ID x 23mm length
**please state quantity, price is for x1 Tube only
 

20mm OD x 16mm ID x 51mm length
**please state quantity, price is for x1 Tube only
 

20mm OD x 16mm ID x 52.5mm length
**please state quantity, price is for x1 Tube only
 

20mm OD x 16.05mm ID x 40mm length
**please state quantity, price is for x1 Tube only