BI-METAL HOLE CORE SAW SET

7 Pcs Bi-metal hole saw set Size: 19mm (3/4″), 22mm (7/8″), 29mm (1-1/8″), 32mm (1-1/4″), 35mm (1-3/8″) 1 pcs adapter: 1/2″-20 threads to fit hole saws 5/8″~18″ thread 1 pcs arbor: 3/8″ Hex Shank, Fit Size: 9/16″~1-3/16″ Packed by double blister.