The original hammer used onboard Mir space station by cosmonaut Alexander Alexandrov during his 160 days mission to Mir space station in July 22, 1987 onboard Soyuz TM-3.
The head of the hammer has steel shots inside. It has a special design for work in weightlessness.
The length of the Hammer is 28 cm, the weight is 280 grams.
Accompanied by certificate issued for onboard MIR station hammer (serial number: 293-13), signed by Alexander Alexandrov, along with the photo of him showing the hammer and signed photo in uniform.