Qassam rocket
The Qassam rocket is a simple steel artillery rocket developed and deployed by the Izz ad-Din al-Qassam Brigades
Izz ad-Din al-Qassam Brigades
The Izz ad-Din al-Qassam Brigades is the military wing of the Palestinian Islamist fundamentalist socio-political organisation Hamas. Created in 1992, under the direction of Yahya Ayyash, the primary objective of the group was to build a coherent military organisation to support the goals of...

, the military arm of Hamas
Hamas is the Palestinian Sunni Islamic or Islamist political party that governs the Gaza Strip. Hamas also has a military wing, the Izz ad-Din al-Qassam Brigades...

. Three models have been produced and used between 2001 and 2011.

More generally, all types of Palestinian rockets fired into southern Israel
Palestinian rocket attacks on Israel
Palestinian rocket and mortar attacks on Israel from the Gaza Strip have occurred since 2001. Between 2001 and January 2009, over 8,600 rockets had been launched, leading to 28 deaths and several hundred injuries, as well as widespread psychological trauma and disruption of daily life.The weapons,...

, for example the Palestinian Islamic Jihad Al Quds rockets, are called Qassams by the Israeli media, and often by foreign media.

The Qassam gained notoriety as the best-known type of rocket deployed by Palestinian militants against Israeli civilian and military targets during the Second Intifada of the Israeli–Palestinian conflict
Israeli–Palestinian conflict
The Israeli–Palestinian conflict is the ongoing conflict between Israelis and Palestinians. The conflict is wide-ranging, and the term is also used in reference to the earlier phases of the same conflict, between Jewish and Zionist yishuv and the Arab population living in Palestine under Ottoman or...