LDEXIN 2pcs HSS Spring Loaded Twist Drill Bits Triangle Shank Tooth Drilling Hole Saws Cutter Tools Arbors Drill Bit for stainless steel aluminum Metal Alloy Wood 18.5mm/0.7" + 25mm / 1"

Hole saw creates a hole in the work piece without having to cut up the core material. Hole saw is perfect for Installing Locks, Knobs in Doors and Cabinets in Seconds, which make the job quick and easy. Specification: Material: HSS Cutting Diameter: 18mm / 0.7 inch,25mm / 1" Hole Saw Depth l 18#:14mm / 0.55 inch, 25#:22mm / 0.9" Shank Diameter l 18#: 8mm / 0.3 inch, 25#:9mm / 0.35"; Twist Bit Diameter l 18#:5mm / 0.2 inch, 25#:6mm / 0.24"; Total Length: l 18#: 67mm / 2.64 inch, 25#:70mm / 2.75" Package Content: 1 x 18mm Hole Saw, 1 x 25mm Hole Saw, 2 x Hex Wrench