The Walldog Safety Hanger offers an extruded aluminium lip to prevent picture wire from slipping out of place, and Walldog anchorless fasteners for up to 36kg of hanging strength. The included friction bumpers keep art from shifting and scuffing. The broad base allows pictures to hang level without shifting. 

Walldog screws install quickly and easily with a Phillips screwdriver in wallboard, plywood, concrete, hollow or grout filled block, brick and plaster. For installation in masonry drill 5mm (3/16") pilot hole.
Canvas Hanger | Heavy Duty Wall Dog | 1 Pack
Hangs up to 36kg 
3 Pieces (Wall Dog & 2 Heavy Duty Screws)