Item Description: Material: HSS - Co (M35)Color: as shown in picFeatures:Made of cobalt material, rigid and durable.Triangle shank which is more solid and convenient.With a case, easy for storage and carrying.Great tools for drilling holeApplication: suitable for thin metal, aluminum, iron, angle steel, carbon steel, 304 stainless steel. Specifications:Type: M35 Twist DrillQuantity:10 Pcs/SetDue to thebetweenmonitors, the picture may not reflect the actual color of the item. Thank youItem Specification:DIY Supplies: WoodworkingType: Twist Drill Bitlength: 85 x 5mm / 3.35" x 0.20"(L x Dia)Use: Wood Drillingis_customized: YesMaterial: High Speed Steel