Micro extend tube rings also have
silicon inside, and they are smaller
than the micro tube rings. It can
be used with Bohyme’s I-Tips and
wefts. (Comes in 300 per case)

Could you please add the following info. to the Micro tube link descriptions:

MTR: Mico Tube Ring: silicone based
METR: Micro Extend Tube Ring: smaller silicone based than the MTR
MSR: Micro Screw Ring: not silicone based, a screw inside

MTR dimensions:

Height: 3.27MM
Inside : 3.07MM
Outside: 5.04MM

METR dimensions:

Height: 3.24MM
Inside: 2.60MM
Outside: 4.35MM