PET Scintillation Vials with Caps; Screw Cap Vials. 2mL Pre-Assembled Screw Cap Vial Kits; Serum Vials, Glass. Serum Vials with Aluminum Seal Finish; Threaded Vials. 8 mm Screw Caps for Standard Opening Vials; Vial Closures. 10mm Target Screw Caps for Wide Opening Vials; 8 mm Screw Caps for Standard Opening Vials; Polypropylene Open Top Screw