uxcell Wood Sheet Metal Cutter Mandrels Saws Hole Saw Drill Bits Kits 16 Pcs Hole Saw Height: 26mm/ 1"; Drill Bit Shank Diameter: 10mm/ 0.4" Drill Bit Total Length: 90mm/ 3.5"; Material: Carbon Steel, Metal Weight: 991g; Package Content: 16 in 1 x Hole Saw Bit Set Boring Diameter: 6mm/ 0.24"; Product Name: Hole Saw Bit Set Main Color: Yellow, Black