Consists of: transparent tube of 1 or 1,5 metres, piston and piston rod, battery powered pressure and vaccum pumps with extension hose. Furthermore hammer and extension rods, non-stretch cord, sample 
bucket and brush.

The sediment core sampler, type Beeker:

• takes samples fast and certain;
• not necessary to assemble and disassemble apparatus with every new sample;
• sample can be emptied into clean stainless steel bucket or layer by layer in wide-necked sample jars.