wheaton pipet multichannel 12 channel pipet Pipette 20-200 ul cdq

used working Wheaton pipet multichannel (12 channel) with tips ejector 20-200 ul. The top part of tip ejector has a visible crack as pictured. The pipettors sold have been used only with non-radioactive and non-biohazardous materials. Also. all pipettors have been tested to work properly- I have measured the aliquottes on a Mettler scale. If you are not satisfied. you can return the product within 5 days for a full refund excluding shipping expenses.Lot gar1stshleftwhite