Concrete Hole Saw Kit Wall Hole Opener 30-100mm SDS Plus or SDS Max Shank 4-in-1 Set Perfect Design of Blade 30-100 mm Hole Opener High Quality Steel Different SDS Shank Widely Used Size of Hole Saws: 1-2/11",1-3/5", 2-9/16", 3-5/32", 3-15/16"(30mm, 40mm, 65mm, 80mm, 100mm),Model: QBKKQ-1,Material: Carbon Steel,Angle of Pilot Drill Bit: 135°,Length of Center Drill Bits: 4-1/3"(110mm),Length of Connecting Rod: 11-13/16" (300mm)
