Tube Holder Adapter for 1/2" Ends Back Catalog number: 800139 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800134 Tube Holder Collar Clip, for 7/16" OD, 5/16" ID Tu Price on request 800231 Tube Holder Kit, Quad Variable, 6 x 70mm Price on request 800134-10 Tube Holder Collar Clip, for 7/16" OD, 5/16" ID Tu Price on request