PTFE Tweezers Acid and Alkali Resistant Reverse Self-locking for Silicon WaferPolytetrafluoroethylene (PTFE), also known as the "plastic king", is a polymer compound formed by the polymerization of tetrafluoroethylene. Its structural formula is [ CF2 CF2 ] n , and it has excellent chemical stability and corrosion resistance. Teflon polytetrafluoroethylene PTFE main characteristics: 1. It has extraordinary chemical resistance and can tolerate almost all chemical solvents (strong acids, strong bases, aqua regia, and various

This is the replacement tip for the forked end of the Bergeon 6767 Metal Watch Band Pin Removing Tool

for long service time

dismounting arm

422 Movement

With logo on the dial

comes with elegant and fashionable appearance

known as a "set screw

Consists of 2 bracelet blocks (6744-P) with slots sizes: 2

blue painted in the middle

5 o'clock Universal)

Japanese  luminous coating

Original for Seagull ST18 ETA2892A2 ETA2893 ETA2897 L888