Injector Needle Back Catalog number: CTS-10724 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-2525 1/4" Short Comp. Screw (Gold-Plated), 10/pk Price on request 11-4121 Ceramic Plunger Holder Assembly, LC-10ADvp Price on request CTS-10757 High Pressure Seal Kit Price on request