Schlagwort: Stylus

Ring jewels offer flexibility due to their many combinations with endstones. Learn more.
http://www.swissjewel.com/2/ring_jewels/

Synthetic Sapphire and Ruby, because of their hardness and ability to accept a high polish, are recognized universally as the ideal material for instruments, meters, control devices and other precision mechanisms. Learn more.
http://www.swissjewel.com/1/jewel_bearing_applications/