The new DW Series Hollow Metal Drywall Frames from Mesker, part of dormakaba Group of access solutions, offers quick, easy installation with the latest, innovative corner locking system. The top corners “lock” together to avoid the need for fasteners often seen in traditional drywall frames. he new corner design simplifies installations and does not require screws for fire rating. With fewer components to assemble than other frame products, the Mesker DW Series enables a simple installation saving you time and money.