SCREW-IT-AGAIN Anchor Wood pack of 40 Red SKU: 321684 MODEL: 170-1C-12-4PK Error. try again later You've successfully joined the club $ 7 .99 pack of 4 Mitre 10 Variants Pack of 4 patented Screw-It-Again Masonry Anchor to create a strong foundation where holding power is required in brick, cement, concrete and tile. Features and benefits Specialty viny. Expansion slit. Patented design - one size fits all for screw size from #6 to #16. Ideal for any Masonry application where a strong hold is required.