* pirate4x4.com: [http://www.pirate4x4.com/forum/general-4x4-discussion/563599-home-made-tubing-notcher-sorta.html 1], [http://www.pirate4x4.com/forum/shop-tools/542960-homemade-tube-notcher.html 2]
= focus = mèches-cloches ==
* à consulter: [http://www.alfra.de/fileadmin/redakteure/Kataloge/21_usa/ALFRA_Catalog_21_Cutting.pdf], [http://www.strawberrybicycle.com/gallery/Tube_Cutters]
* système de serrage rapide Bosch Power Change: pas rigide
* chez Debrunner: [https://shop-da.dkh.ch/productlist.cfm?CFID=24599972&CFTOKEN=305440b51e631484-F13C8E63-ED3C-773E-26052418196535AD&ParentID=5330&sprache=f marque Starrett]