BioSpec 985370-07 Tissue-Tearor Homogenizer For 1-50 mL Samples, 5,000-35,000 rpm, 120 VAC, 8.3 cm Probe Working Length Handheld homogenizer for homogenizing, disrupting, or emulsifying tissue samples in liquid Variable-speed motor of 5,000rpm to 35,000rpm with a rotor and stator configuration for efficient homogenization of samples Handles volumes from 1mL to 50mL with the included 7mm probe 138W universal motor with a 120V power supply can be operated manually or mounted for hands-free operation Includes probe constructed of stainless steel 316 with fluorocarbon bushings for strength and resistance to corrosion, and a storage stand