Rubber buffers are widely-used construction elements for elastic mounting.
Metal parts steel grade 5.6 or stainless steel.
Elastomer natural rubber, medium hardness, Shore 55A.
Steel electro zinc-plated.
Stainless steel bright.
-30 °C to +80 °C
Other Shore grades.
They are used, among other things, as mountings for aggregates, motors, compressors, pumps and testing machinery.