From Amazon
Neutrik NP3RX 6.35mm Right Angled 6.35mm Stereo Jack plug, Silver, 60.0 mm*15.0 mm*75.0 mm
The product is available from £6.16 at international stores.
Conrad Electronic
Neutrik NP3RX 6.35 mm audio jack Plug, right angle Number of pins (num): 3 Stereo Silver 1 pc(s)
Rapid Online
Neutrik NP3RX Stereo Right Angle Jack Plug 3-Pole 6.35mm