Features:
Size: M4x20mm
Metal cavity anchors for soft faced hollow cavity walls and panels such as plasterboard
They have a combination head screw to accept both slot and For cross recess screwdrivers
They are zinc plated and have two anti-rotation teeth to prevent the anchor from spinning
Suitable for fixing to most cavity wall situations
Fixing can be set in position either by using the spring loaded setting tool or by tightening and removing the screw
Spring loaded setting tool for fast reliable repetitive fixing
M4x20 will grip wall thickness of 0mm-4mm， screw length 26mm

Package Included:
10 x Metal Heavy Duty Plasterboard Cavity Wall Anchors