HSS TITANIUM COATING: Classic HSS construction with titanium coating for capability and durability. The is hardened and honed for , chatter-free design with staggered cutting teeth the precise countersinking and hole clean. It can be used multiple without deformation. TWIST DESIGN & PERFORMANCE: PRECISE 135 SPLIT POINT, gold oxide finish and round straight shanks. Prevent walking, clear chips and particles faster. Produced by precision fully ground which ensures chips move smoothly. It is your perfect for DIY projects and household maintenance and repair. FORM: 2 form helps clear chips and debris from the bit, decreasing friction and heat for a faster, cooler drilling process. SIZE INCLUDED: 120pcs jobber length drill bit set with plastic storage case including sizes: from 1mm to 3.5mm (20x1.0mm, 20x1.5mm, 20x2.0mm, 20x2.5mm, 20x3.0mm, 20x3.5mm, 120 pieces ), can meet your different needs perfectly. Name:Twist Drill Bit Angle Point: 135 Degree Flute Type: Two Form Type: Straight Color: Golden Material: HSS Size: (1.0mm, 1.5mm, 2.0mm, 2.5mm, 3.0mm, 3.5mm) bits each 20 pcs Package Contents: 120 * Titanium Drill Bits Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.