Description:6pcs 3mm-8mm HSS Titanium Coated Drill Bits SetSpecification:          Material:       HSS 4241           Surface treatment       Titanium Coated           Size       3mm、 4mm、 5mm、 6mm、 6.5mm、 8mm           Color       Gold          Features:Suitable for thin wood、 wood、 aluminum、 plastic plates pull grooving.Durable and long service life.Package Included:6 x DrillsMore Details: