Ingco AKH0021 Plumber & Electrician Bi-Metal Hole Saw Set 18Pcs Polisher Three speed settings (7

Three speed settings (7

7-1/4x40T Blade Included

Duty cycle :350A 60

You can also use the dressing stone to create a grinding stone with just the right shape for that special job

Ingco AKH0021 Plumber & Electrician Bi-Metal Hole Saw Set 18Pcs Polisher Three speed settings (7Ingco AKH0021 Plumber & Electrician Bi Metal Hole Saw Set 18Pcs 9 Pcs Plumber's bi metal hole saw set (AKH0091) Material: HSS M3 Bi metal Size: 19mm(3 4") 22mm(7 8")29mm(1 1 8") 38mm(1 1 2") 44mm(1 3 4") 57mm(2 1 4") 1 pcs arbor: 3 8" Hex Shank,Fit Size: 9 16"~1 3 16" 1 pcs arbor: 7 16" Hex Shank,Fit Size: 1 1 4"~8 17 64" 1 pcs adapter arbors with 1 2 20 threads to fit hole saws 5 8 18 threads 9 Pcs Electrician's bi metal hole saw set (AKH0092)