Multiple Sizes: The kit includes 30 pcs of 3/16" x 1-1/4", 30 pcs of 3/16" x 1-3/4", 15 pcs of 3/16" x 2-1/4", 15 pcs of 3/16" x 3-1/4", and 10 pcs of 3/16" x 3-3/4". A total of 100 concrete screws, assorted and ready for versatile fastening jobs

High Strength and Rust-proof: Made of heat-treated hardened carbon steel with a blue rust-proof coating, these masonry screws withstand outdoor elements like rain and wind without losing grip or strength

Reliable Performance: Diamond tip drills in fast with no pre-drilling needed in many cases. Our brick screws feature high-low threads and serrated edges for stronger grip and faster penetration into hard concrete, saving time and effort

Easy to Use: Our masonry screws for concrete feature a Phillips flat head that fits Phillips bits for smooth, slip-free driving. Just pre-drill, insert, and screw. Great for shelves, metal decor, hooks, handrails, cameras, antennas, and brackets

Wide Application: The transparent storage box features dual size charts and keeps sizes sorted. This concrete screws assortment kit works on brick, block, concrete, and wood—ideal for home upgrades, repairs, and daily DIY tasks