Tube shaker specially for mixing small sample volumes with touch function. - Can be used with all small vessels of up to 30 mm in Ø, e. g. test tubes, centrifuge tubes, Eppendorf vessels. - Very good mixing action. - The upper casing and the test tube surface are made from inert plastic, coated zinc diecast base. - Incl. light 12 V power pack set. Tube shaker specially for mixing small sample volumes with touch function. - Can be used with all small vessels of up to 30 mm in Ø, e. g. test tubes, centrifuge tubes, Eppendorf vessels. - Very good mixing action. - The upper casing and the test tube surface are made from inert plastic, coated zinc diecast base. - Incl. light 12 V power pack set.