30-100 mm Hole Opener -
Diameter of 5 hole saws: 1-2/11"(30mm), 1-3/5"(40mm), 2-9/16"(65mm), 3-5/32"(80mm), 3-15/16"(100mm)

Different SDS Shank -
The SDS plus or SDS max shank equipped with this cement drill has an external thread adapter design, matching most of your drill chucks

Good Protection -
The cotton pad and fleece in the aluminum storage box can protect the products well and make them less likely to be worn and scratched

Widely Used -
The masonry hole saw kit can quickly drill through the most common wall materials, air conditioning drilling operations, etc
How to use -
1. Install the centering drill bit onto the SDS mandrel
2. When the centering drill bit is in place on the SDS spindle, use the provided screws to firmly secure it
3. Select the appropriate hole saw to mount on the mandrel, simply align the hole saw with the centering drill bit
4. Connect the assembled spindle, centering drill bit, and hole saw to the power tool

Package Content -
5 x Hole Saws: 30, 40, 65, 80, 100 mm
1 x SDS-Plus Bit Shank
1 x SDS-Max Bit Shank
2 x Drill Bits