The MPP-B "Wierzba" is a fibreglass Polish

Poland

Poland , officially the Republic of Poland , is a country in Central Europe bordered by Germany to the west; the Czech Republic and Slovakia to the south; Ukraine, Belarus and Lithuania to the east; and the Baltic Sea and Kaliningrad Oblast, a Russian exclave, to the north...

 minimum metal

Minimum metal mine

A minimum metal mine is a land mine that is designed to use the minimum amount of metal in its construction . Both minimum metal anti-tank and anti-personnel mines exist. Some designs contain almost no metal at all...

 anti-tank blast mine

Anti-tank mine

An anti-tank mine, , is a type of land mine designed to damage or destroy vehicles including tanks and armored fighting vehicles....

. The mine is similar to the Russia

Russia

Russia or , officially known as both Russia and the Russian Federation , is a country in northern Eurasia. It is a federal semi-presidential republic, comprising 83 federal subjects...

n TM-62 series and is compatible with the same fuses. It is normally used with a MWCz-62 fuse with a clockwork arming delay, which is a copy of the Russian MVCh-62. The mine has a secondary fuse well in the base of the mine for anti-handling devices or for a command detonation device. It can also be used with a ZMN electronic combined pressure and magnetic influence fuse.

The mine is currently in service with the Polish armed forces.

Specifications (with MWCz-62)

• Diameter: 320 mm
• Height: 128 mm
• Weight: 9.7 kg
• Explosive content: 8.1 kg