Also referred to as the "Type-3 Antipersonnel/Antimateriel Incendiary Grenade". According to information found on Halopedia, these incendiary gell filled grenades are 30.5 centimeters (12 inches) long, and weigh 3.6 kg (8 pounds). Further Storyline information is availible here: [[w:c:halo:Type-3_Antipersonnel/Antimat%C3%A9riel_Incendiary_Grenade | Halopedia Information Page (external link)]]