VWR* Five-O* 5mL tube with attached screw caps in foam racks, Sterile, Max Clarity Low-Binding Virgin PP Certified Rnase, Dnase & Pyrogen Free, Used In Temperatures From -86C To +110C, Dimensions: 16.5 x 54mm (not including rim and cap), Maximum Centrifugal Force: 25, 000xg