Tube Holder Kit, Quad Variable (Includes 6x70mm, 7 Back Catalog number: 800249 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 200157 U-Tube replacement for P/N 800143 Price on request 800139 Tube Holder Adapter for 1/2" Ends Price on request 800071 Tube Holder Housing End, 5/8", for 1/4" OD, Open E Price on request