Specifications:Specially used on metal and steel plate， give fast and easy cutting.They are good tools for you to make fantastic works.Split tip pilot drill prevents damage by gradually guiding cutter to material， no walking.Sharp teeth for fast cutting of clean， round holes.Designed specifically for sheet metal cutting， even stainless steel.Over drill flange built in to prevent penetration beyond the sheet metal.Cuts quick， precise holes in stainless steel， mild steel， iron， copper and brass.Type: Drill Bit SetQuantity: 5 PcsMaterial: HSS 6542 (M2)Main Color: SilverUsage: Using for Stainless Steel， Metal， Aluminium Alloy， etcFeatures: Saw Tooth， Hole Cutter Tools， UsefulSize: 16mm， 18.5mm， 20mm， 25mm， 30mm/0.63"， 0.73"， 0.79"， 0.98"， 1.18" (Approx.)Notes:Due to the light and screen setting difference， the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.This L shape wrench will be a gift for you.Package Includes:1 x Drill Bit Set (5 Pcs + L Shape Wrench)