The PRB M35 is a small plastic cased anti-personnel blast mine made in Belgium. It is initated by applying pressure to the small "nipple" standing up from the top of the fuze. The mine has a small metal content in the fuze and is difficult to detect with a metal-detector.
High Explosive content: 100g TNT and potasium nitrate
Diameter: 65 mm
Colour: generally olive green
The mine is known to have been used in Jordan, Angola, Chad, Equador, Eritrea, Lebanon, Peru, Somalia, Sudan, Uganda and Western Sahara.