Ingco AKH0021 Plumber & Electrician Bi-Metal Hole Saw Set 18Pcs PW45W High durability and good design

High durability and good design router

Industrial lifting and material handling applications

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Dual active battery ports support simultaneous charging

Ingco AKH0021 Plumber & Electrician Bi-Metal Hole Saw Set 18Pcs PW45W High durability and good designIngco 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)