Features: The 4 flute slab flattening router bit features a robusts T style design and steel inserts with coating, delivering high efficiency for smooth surfacing on softwood, hardwood, and fibreboard. Engineered with a 24.4mm or 1-1/4" cutting diameter with 1/4" shank, this spoilboard surfacing bit ensures reduced vibration during heavy duty slab flattening tasks. Ideal for woodworkers, cabinetmakers, and DIY enthusiasts seek precisions in large scale material leveling or surfacing preparation projects. Perfect for workshops and furniture production lines requiring consistent slab flattening, edges trimming, or spoilboard resurfacing operations. Its replaceable steel inserts minimize downtimes, while the reinforced T body design enhances durability for prolonged slab milling applications. Specifications: Material: Tungstens Steel Color: As pictures shown. Optional Cutting Diameter: 25.4mm, 31.75mm Package Includes: 1pc Router Bit note: Please allow 1-3cm error due to manual measurement. please make sure you do not mind before you bid. Due to the differences between different monitors, the picture may not reflect the actual color the item.