The Black & Decker M6X34WS Molly Wall Fixing is an expanding metal cavity anchor designed for secure fixing into plasterboard and hollow walls between 6mm and 16mm thick. The M6 fixing measures 34mm long and is supplied with a 43mm PH2/slotted head screw. A 13mm drill bit is recommended for installation, with the fixing capable of supporting loads up to 40kg when correctly installed in a suitable wall construction.