ITEM NAME:6Pcs/Set Metal Drill Bits High Speed Steel HSS Saw Grinding tools Newest Useful Descriptio n Description: 100% Brand new and high quality Suitable for thin wood, metal, plastic plates pull grooving Specifications: Material: High speed steel 4241 Color: As shown in picture Surface Treatment: Titanium Coated Size: 3mm, 4mm, 5mm, 6mm, 6.5mm, 8mm Package Included: 1 Set of Drill Bits (6Pcs 3mm + 4mm + 5mm + 6mm + 6.5mm + 8mm ) 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. Whatever the ending's perfect or not, you can't disappear from my world 6Pcs/Set Metal Drill Bits High Speed Steel HSS Saw Grinding tools Newest Useful.We'd like to settle any problem in a friendly manner. Specifications:Material: High speed steel 4241. We want to make sure you are happy with our item. Goods without RMA number will NOT be accepted.