Item specifics: Brand new and high quality Set includes 8 carbon steel hole saws, 2 arbors with pilot drill and Allen key. Hole saw sizes: 3/4" - 19mm, 7/8"- 22mm, 1 1/8"-28mm, 1 1/4"- 32mm, 1 1/2"-38mm, 1 1/3"- 44mm, 2"- 51mm, 2 1/2"- 64mm Cuts smooth, clean, accurate holes through wood. Suitable for cutting wood, thin sheet metal and thin alloys. Package Included: 1x Hole Saw Set(11Pcs) 1x Case