Reduce fatigue and soreness of hands and fingers from the repetitive task of applying test tube caps. Test Tube Capper fits comfortably in the palm of your hand. Use the tip to apply pressure to the center of the cap and securely cap tubes. Repetitive capping of test tubes can cause soreness and fatigue in the hands and fingers. With the Scienceware Test Tube Capper, you can use your entire hand for leverage, reducing finger soreness and hand stress. The vinyl covered handhold fits comfortably in the palm of the hand while the polypropylene tip presses down on the cap to securely position it within the test tube. Capping can be performed on glass or plastic test tubes in a rack, or while being held in the hand. It is designed for use with recessed center test tube caps. Use in research and development, university, clinical. Research, industrial and healthcare professionals rely on SP Scienceware for their sample handling needs. Sold worldwide, Bel-Art and H-B Instrument brand laboratory supplies include over 5,000 items from safety wash bottles to fume hoods, thermometers, racks, desiccators, hydrometers, ice buckets, scoops and spoons. Custom calibration services, plastic molding, specialty coatings and wire manufacturing are also available. Wilmad-LabGlass brand laboratory glassware complements Bel-Art and H-B Instrument with over 7000 items including NMR and EPR consumables and specialty glassware, as well as custom fabrication for individual glassware, glass repair services and OEM glass parts. SP Scienceware is a division of Warminster, PA based SP Industries which also include SP Scientific laboratory, thermal management, and pharmaceutical production equipment and SP Ableware aids for daily living.