Gold Plunger Seal Back Catalog number: 11-4133 Manufacturer: SCIENCIX Availability: In the manufacturer's stock Price on request - + Recommended CTS-21012 Compression Screws & Ferrules, 1/16", SS, 5/pk Price on request CTS-21163 Rotor Seal, 2-Groove Price on request CTS-11425 Sapphire Plunger Price on request