Tough, High Density Trade Quality Polythene Plugs by Zexum are ideal for secure wall fixing both indoor and outdoors. Compatible for use with Brick, Stone, Concrete and other masonary materials. Moulded with protruding side fins which restrict rotation and prevent fall out from overhead holes. Manufactured from premium grade polymer. Requires a 5mm hole. Ideal for: Wood battons, electrical and plumbing fittings, trunking, lightweight brackets, shelving, light internal furnishings, signs, downpipes, etc. Main Features: Yellow 5mm x 25mm Drill Size 5mm Interior and Exterior Use For Brick Stone Masonry and Concrete You may also be interested in other products in our Complete Range of Fastners