One metal clip plate to accommodate up to 3 tubes with a  diameter of 28-30mm. A maximum of 8 clip plates, 4 per side, may be  attached to the Magnetic Platform for use with the Roto-Shake Genie,  Enviro-Genie or Incubator-Genie. This attachment is included in the Roto-Shake Genie, Enviro-Genie and the Incubator-Genie. A maximum of 12 clip plates, 6 per side, may be attached to the Magnetic Platform for use with the Rotator Genie. 
  
	
  
  
				
        
		    
 
   
	
	
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