Drill diameter: 12 mm, length: 76 mm, packaging unit: 4 pieces, for material: concrete, stone, set: no
- Automatically knots or expands depending on the building material
- Rotation locks and detachable plug cap for pre- and through-mounting
- Plug cap protects the surface and prevents slipping deep into the drill hole
- Screws can be easily screwed in due to the special geometry
- Holds in almost all building materials
- Even distribution of force