6Pcs Wood drill bit 1.Material:high carbon steel,titanium plated 2.Surface finish: fine finish,quenched 3.Size6",10",13",16" 6Pcs Wood drill bit1.Materialhigh carbon steel,titanium plated2.Surface finish: fine finish,quenched3.Size6",10",13",16",20",22",25",32"4.Packingdouble blister 6Pcs Wood drill bit CTD003