This set of HSS twist drill bits is coated in titanium nitride for enhanced service life. Suitable for use with light metal, wood and plastic. Sizes 1.5-6.5mm. Compatible with a standard 10/13mm chuck. Supplied inside a plastic storage case. Features & Benefits:• Coated in titanium nitrite for enhanced service life• Suitable for use with light metal, wood and plastic• Sizes 1.5-6.5mm• Compatible with a standard 10/13mm chuck• Supplied inside a plastic storage caseContents:13 x Drill bits: 1.5, 2.0, 2.5, 3.0, 3.2, 3.5, 4.0, 4.5, 4.8, 5.0, 5.5, 6.0, 6.5mm