1-2/11" to 3-15/16" Masonry Hole Saw 30 mm-100 mm & 135 ° Drill Bit & SDS Max/SDS Plus Here we provide you with a set of hole saw extensions. It adopts advanced welding technology, showing good performance in wall opening. The 135° sharp pilot drill bit ensures you open the wall hole in exactly the right place. This concrete hole saw set can drill through common walls and floors of brick, concrete, cement, and stone. Hole Saw Tools in One Kit 135° Sharp Pilot Drill Bit Premium Material For most Hammer Drills Features & Details Hole Saw Tools in One Kit: Our concrete hole saw kit provides 10PCS, including 1-2/11" to 3-15/16"(30-100 mm) of hole saws, SDS PLUS and SDS MAX shanks, 2 pcs 4-1/3"(110mm) pilot drill bits. Easily store and carry our hole saw tool kit in our zip-up storage case made of aluminum. 135° Sharp Pilot Drill Bit: The 135-degree pilot drill bit ensures you open the wall hole in precisely the right place every time. And the multi-edged blades of the hole saw are