The fittings set enables unfolding of the furnitue to the "sleeping" position.
The 'Sofa-1' set consists of the following items:
-plastic gliders - TP 003-4
-swivels - PO 212-1
-castors - AR 115-1 , AR 117-1 , AR 101-1 , AR 112-1
-connectors - AZ 304-1 , AZ 603-1 , AK 003-1 , AZ 208-1
-angles - AH 003-1.