ITEM NAME:13pcs HSS Titanium Coated Twist Drill Bit Set For Plastic Metal Wood 1.5-6.5mm Descriptio n Description: 100% brand new and high quality. Titanium coated drill bits. This set of durable 13 piece titanium nitride coated drill bits lasts six times longer than standard drill bits. Titanium nitride coating facilitates faster penetration with less effort. The 1/4" hex shank is specially designed for cordless screwdrivers, enabling you to quickly change drill bits. Titanium coated HSS drill set with standard 1/4" hex shank that will fit cordless screwdrivers, drills etc or use in standard drill chuck. Suitable for use with steel, wood, plastic, etc. Specifications: Material: High Speed Steel Color: Gold Drill Size: 1.5mm, 2mm, 2.5mm, 3mm, 3.2mm, 3.5mm, 4mm, 4.5mm, 4.8mm, 5mm, 5.5mm, 6mm, 6.5mm Length:Approx. 6~11.7cm Package Included: 13 *Â Twist Drill Bits Note: 1.Due to the manual measurement and different measurement methods, the actual size could be slightly different. 2.Please be reminded that due to lighting effects and monitor's brightness/contrast settings etc, the color tone of the website's photo and the actual item could be slightly different. High quality buy, happy buyï ¼ 13pcs HSS Titanium Coated Twist Drill Bit Set For Plastic Metal Wood 1.5-6.5mm.Titanium coated HSS drill set with standard 1/4" hex shank that will fit cordless screwdrivers, drills etc or use in standard drill chuck. Titanium coated drill bits. The 1/4" hex shank is specially designed for cordless screwdrivers, enabling you to quickly change drill bits.