Fine Adjustment rings: 0.6 mm - 0.8 mm - 1 mm - 1.2 mm - 1.4 mm - or as request

More precisely manufactured 3D printing
Diameter : 42 mm to 42.2 mm - real T-2
Heights: 0.6 mm - 0.8 mm - 1 mm - 1.2 mm - 1.4 mm - or as request
Sitting just right
Easily removable
Don't peel off on their own
Flexible even in extremely sub-zero temperatures
(Please do not perform any bending / breaking tests, as they are not made for that!)