No Drilling! Locks Symmetrically On Walls And Ceilings! SnapSkru™ From Cully™ No drill needed Locks on walls and ceilings – resists vibration and won’t destroy drywall Works with #6, #8 and #10 screws Built-in “positive stop” resists over-drilling When you hear the “pop,” you know the anchor is correctly installed DSG Item #: CD39933