Qorpak AKM-3800-0037 Polyethylene Large Bulb Disposable Transfer Pipet, 155mm Length, 7 milliliter Volume (Case of 5000) Disposable polyethylene transfer pipet Product allows users to properly secure closures at the correct degree of torque to ensure a proper seal 7 milliliters volume capacity 155 millimeters Length 23 Drops per milliliters