Fischer Masonry Bolts & Anchors Drywall anchor 614638 - Fischer 084343, The Fischer GK S K NV drywall anchor is designed for reliable installation in gypsum plasterboard. It features effective load distribution and is easy to install. Typically, it is used for mounting lightweight fixtures such as lighting or shelves in drywall. Fischer 084343 Drywall anchor Set ideal for secure picture and light fixing