Material:High Manganese Silicon Glass（Borosilicate Glass）
Length:35mm
Color: Mixcolor
Weight: 1g
Package Include: 5X Glass tips ( Color Random)
Note: For the silicone filter, Please allow a little manual measurement error
The borosilicate glass has a very low coefficient of thermal expansion, which is about one-third that of ordinary glass. This will reduce the effects of temperature gradient stress and thus have stronger fracture resistance.
