Israel also sells weapons to the Russian Federation, Kazakhstan, and has even thought about selling weapons to Pakistan!!!
But, we also do sell weapons to Saudi Arabia, and weapons tech to Russia and China (Thanks, clintoon).
The componets that Israel sells to Russia involve High-tech avaonics for the new Mig 1.44 and Sukhoi Su-47 Stealth fighter projects, as well as smart bombs using GLONASS and US GPS, UAV's, and cruise missile technology, a stealth bomber, and upgrades for Russian MiG 29's and SU-37's. The cruise missile technology has been exported to Iran, one of Israel's worst enemies. In a way, Israel is shooting itself in the foot Also, Israel has sold Russia the technology to build a wall to seperate it from hotspots in Chechnya. Russia has also obtained technology for advance night vision and optics from the Israelis, and cloned it for their use. The Same thing has happened with the Chinese.
This technology eventually trickles down to the Arab/Islamic countries who oppose Israel.