Features: 8mm Shank Double Bearing Frame Router Bits Set with 4 Sizes (19.05mm to 28mm) for Precise Woodworking ,crafted from Metal for Long Lasting Performances. Features double bearing guided design that maintains consistent cutting depth and smooth routing paths, while sharpness edges ensures accurate cut without tear out or splintering. Designed for woodworking professional and DIYer enthusiasts who require precisions edges forming tools for furniture trim and decorative molding projects. Create bilateral framing edges on cabinet doors, tabletops, and wooden crafts with professional accuracy using these wood router bits. Complete your woodshop essential with this versatile 4 piece set covering common frame dimensions, eliminating multiple tool changes for efficient decorative edges profilings. Specifications: Component: Metal Specifications: 19.05mm 3/4'' , 22.2mm 7/8'' , 26mm 1-1/32'', 28mm 1-1/8'' Quantity:1,4 Package Includes: 1Piece or 4Pcs Router Bit note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color of the item.