Universal, ultra-secure support - double-sided, height-adjustable. The VerticalBase transforms almost any door frame into a complete drive station, without the need for drilling. The telescopic + ratchet extension system applies lateral pressure, while high-friction patches and a safety clamp ensure a perfect hold - even under dynamic pulls. The bracket can be installed either in a door frame or between two load-bearing walls. Universal: 70-95 cm doors (designed to cover~99% of standard cases). Double-sided: installs 2 VerticalBoard or 1 VerticalBoard + equipment. Adjustable height: adapt the position to your morphology and your exercises. The result: all-in-one support for progress at home, with maximum confidence and no mess or work to do. The VerticalBase is not supplied with a hangboard. Hangboards must be purchased separately. Features Door compatibility: 70-95 cm (coverage ~99% of standards) Mounting: telescopic + ratchet extensions Safety: high-friction patches + safety clamp Sides: 2 usable sides (2 hangboards or hangboard + fixtures) Height: adjustable (multi-position) Compatibility: all VerticalBoards + others (depending on format) Technical Details Door frame width: 700-950 mm (if you have a VerticalBoard Evo: 720-950 mm) Faces: 2 (A/B) Systems: telescopic, ratchet extensions Safety: high-friction patches, clips hangboards compatibility: VerticalBoard (all), others depending on height + screws Installation: 30-60 seconds, tool-free Use: pull-ups, hang-ups, complete routines