4C | Hollow Wall Anchor M4 x 3 -20mm Grip Length 46mm Long - 100 Pack These Hollow Wall Anchors are specifically designed with expanding arms when tightened to grip against the wall. For use in hollow walls such as plasterboard, and cavity fixing. Warranty 1-year limited warranty. Why 4Cabling? Australia's leading importer & wholesaler of 19" server racks, copper, ethernet cable, fibre optic leads & structured networking products ISO 9001, NSW Govt. & GITC (QLD Govt.) approved supplier Secure online shopping 24/7 A loyal customer base of 100k+ who trust us for their data & electrical needs Over 3000 quality products in stock ready to go All products are approved as per local Australian standards Warranty & peace of mind return policy Lightning-fast delivery nationwide Expert advice Proudly 100% Australian owned & operated