Biscuit Joiner. Biscuits not provided. Cutting diameter 100x22x4mm.
Height adjustable. Should be used with ear defenders, goggles and dust mask.
Instructional video here:
https://www.youtube.com/watch?v=_Jl-PjJY14U
Instruction manual for similar model:
http://www.sipindustrial.com/manuals/07904.pdf