With the self-locking Strapless “D” Cylinder Bracket, Model QR-D-2, simply place a standard, jumbo, or steel “D” cylinder in the bracket and press back through the latch to lock it into place – no straps required. The heavy-duty bracket is made with durable, easy to clean stainless steel – no fabric to harbor bloodborne pathogens. Mounts vertically or horizontally as well as solo or side by side, and can be easily retrofitted. Third party tested to exceed current safety standards.