【cutter size】Shaft diameter: 6 mm; Cutting diameter: 13 mm/15 mm/16 mm/18 mm/20 mm; Cutting height: 10 mm/11.5 mm/12 mm/12.5 mm/13 mm. 【High-quality material】All cutter blades are made of YG8 carbide alloy and 45# carbon steel. 【Heat-resistant and shock-proof】Teflon coating for heat-resistant construction and high-quality carbide retains its sharpness without the cutting edge chipping. Kickback protection and double-grooved design for sharp and long-lasting cutting. 【Applicable materials】Suitable for cutting solid wood, chipboard, plywood, MDF and various wood composites. 【after-sales service】Store offers you cheap woodworking router bits and drill bits! If you have any problem with the router bit, you can contact us at any time, we will reply you within 24 hours! Set of 5 Floor Cleaning Router Bits with 6mm Shank Specification: Type: Floor Cleaning Router Bit Set Shank Diameter: 6mm Cutting Diameter: 13mm/15mm/16mm/18mm/20mm Cutting Height: 10mm/11.5mm/12mm/12.5mm/13mm Blade