Main Body: 304 - Stainless Steel
Arm: Aluminum (Can be shortened optionally.)
With rotating control; arms are positioned at 90 degrees
Works with thrust. It is opened by pushing by hand and then the transition is made, with the spring system the arm comes back into place and closes.
All other parts are coated against corrosion.
Optionally, the middle plate in the arm can be covered with glass, plexi, decot etc. material.