Ulti Mate Concrete/Masonry Screws 8.0 x 80mm (box of 90)

Patented Stick-Fit Drive System for smooth, stable driving and one-handed installation Stick-Fit driver bit included in every box Fix items to masonry, brickwork, breeze blocks etc without the need for wall plugs Simply pre-drill a 7mm pilot hole and insert the screws (7mm drill bit not included) Weather resistant coating for outdoor use Dual Hi-Lo thread for strong holding power Diamond Point for effective dust clearance during insertion, Weight: 0.03968320716 pounds, Manufacturer: Phillips Screw Company