7pcs Masonry Drill Bit Set 1/8" to 1/2" Concrete Drill Bits with Carbide Tip 22mmX26mm Fit for Glass: 8mm(approx 5/16")

Fit for Glass: 8mm(approx 5/16")

With this multifunctional and delicate buckle

zinc alloy

Not all rods has same size

while also can make installation easier

7pcs Masonry Drill Bit Set 1/8" to 1/2" Concrete Drill Bits with Carbide Tip 22mmX26mm Fit for Glass: 8mm(approx 5/16")1. 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