For PVC

WINKHAUS STV-FG 2060/45 92/8 M2 RS SL multi-point lock, RIGHT, handle locking.

WINKHAUS STV-FG 2060/45 92/8 M2 LS SL multi-point lock, LEFT, handle locking.

Repair cassette for ROTO NT locks.

Fasten with screws.

NB! Before purchasing, make sure the cassette and internal sprocket are compatible with your gearing.