7pcs Masonry Drill Bit Set 1/8" to 1/2" Concrete Drill Bits with Carbide Tip 22mmX26mm The flexible buckle design makes

The flexible buckle design makes it easy to install and keep firm

Type: I-Shaped

while also can make installation easier

Not all rods has same size

7pcs Masonry Drill Bit Set 1/8" to 1/2" Concrete Drill Bits with Carbide Tip 22mmX26mm The flexible buckle design makes1. Masonry drill bit set, industrial strength carbide bit tip, wear resistant, durable. These cement drill bits can easily penetrate a variety of materials such as glass, concrete, marble, plastic, brick, tile, wood and cement, etc. 2. Package includes 7pcs drill bit set: 1 8", 5 32", 3 16", 1 4", 5 16", 3 8", 1 2", there are 7 different cement drill bit sizes, that will help in drilling by starting with the small bit and then drilling to the size