Drilax 4-1/2" Concrete Hole Saw with 12" SDS Plus Shank & Pilot Bit – 13 Carbide Teeth for Masonry, Brick, Stucco 2-1/2 inch hole saw 5 inch diamond bits are

5 inch diamond bits are engineered for precision and durability

Backed by a lifetime warranty

STANDARD 3/8 Shank for Standard Electric or Cordless Drills

a- You can make your own guide out of plywood – plastic or even a card-board

jewelry polish

Drilax 4-1/2" Concrete Hole Saw with 12" SDS Plus Shank & Pilot Bit – 13 Carbide Teeth for Masonry, Brick, Stucco 2-1/2 inch hole saw 5 inch diamond bits areDrilax 4 1 2" Concrete Hole Saw is built for high performance drilling through tough masonry materials including concrete, brick, stucco, cinder block, and more. Ideal for construction professionals and advanced DIYers, this core bit offers fast, clean cuts for larger penetrations such as pipes, HVAC installs, and wall outlets. Key Features Powerful Cutting: 13 industrial grade YG8 carbide teeth for fast and aggressive cutting through masonry.