Single Tube Holder Kit, 7-10 x 175mm Back Catalog number: 800261 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800063-10 Tube Holder Housing End, 1/2" for 5mm OD (Packg of Price on request 400253 Tube Holder, Clear Storage Box Price on request 200187 Tube Holder Adapter, 3/16" to 1/4" Ends Price on request