Tolsen Hole Saw Bit 9pcs

9PCS BI-METAL HOLE SAW SET• Ideal for electrical using purposes• 6pcs Hole saw:7/8′′(22mm), 1-1/8′′(29mm), 1-3/8′′(35mm),1-3/4′′(44mm), 2′′(51mm),2-1/2′′(64mm)• 2pcs Arbors:3/8′′(9.5mm)Hex shank arbor with HSS polit drill for1/2′′ – 1-3/16′′(14-30mm) hole saw7/16′′(11mm)Hex shank arbor with HSS polit drill for1-1/4′′ – 8-17/64′′(32-210mm)