Tube Rotator, Variable Speed, Digital Display, 120V. • “Plug & Play” operation with 360º rotation• Easy exchange of paddles, no tools needed• Quiet, high-quality, maintenance-free motorTube rotators are used in a variety of fields including molecular biology, biochemistry, histochemistry as well as in clinical applications. Interchangeable paddles accommodate different size tubes and can be assembled on a single rotisserie for simultaneous rotation of a variety of tubes. Individual paddle direction can be independently adjusted from 0-90º. To change the direction of rotation, just touch a paddle and the rotator will automatically reverse direction. Small enough to use on a crowded bench or in a hood.Each tube rotator includes a base unit, rotisserie and selection of paddles. Supplied with the following rotisserie paddles: (2) for 10/15mL tubes, (2) for 5/7mL tubes, (2) for 1.5/2mL tubes, (2) for 0.5/0.8mL tubes, and (1) for 50mL tubes.