ITEM NAME:18pcs/Set High Speed Steel Titanium Coated HSS 4241 Drill Bit Metric 1.5mm- M7S5 18pcs/Set High Speed Steel Titanium Coated HSS 4241 Drill Bit Metric 1.5mm- M7S5 Material: HSS 4241 + Titanium Surface treatment: Titanium Full length: 5-13cm Color:Gold + Silver 18PC : 1.5mm 2mm 2.5mm 3mm 3.5mm 4mm 4.5mm 5mm 5.5mm 6mm 6.5mm 7mm 7.5mm 8mm 8.5mm 9mm 9.5mm 10mm Package includes: 18 x Twist Note: Light shooting 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.