Brand Name: Realmote DIY materials: metalworking Type: Twist Drill Bit Origin: CN (Origin) length: 5 cm Application: drilling in metal Model number: DZ-ZQ-MXT-006-BK is_customized: Yes Certification: CE Material: Diamond package includes: 109cs pole length: 35mm pole diameter: 3mm 10pcs Mini Dremel accessories grinder sculpture engraving wood drill bit set rotary cutter micro tool rotary tungsten carbide file Characteristics Tungsten steel carbide cutters for DIY enthusiasts or hobbyists and crafters, and this set of cutters provides even more functionality for your rotary tool. Compatible with smaller rotary tools. Shaft diameter: (approximately) 3mm/0.12". Largest drill size: (approximately) 6mm/0.24". Material: Tungsten steel sintered carbide. Compatibility: Smaller rotary tools. List of packages: X 1 set (10 pieces)