Made from YG6 carbide cutters and 45 steel shank. Premium YG6 carbide cutters for long-lasting performance. Set includes 3 dish cutting router bits. Shank: 1/4 inch. Cutting diameters: 1/2 inch, 3/4 inch, and 1-3/8 inch. Ideal for crafting small bowls, coin trays, jewelry boxes, fly and tackle boxes, and other decorative items. Suitable for use on MDF, solid wood, particleboard, and plywood. Compatible with CNC machines, automatic routers, handheld routers, and table-mounted portable routers. Ensure at least 3/4 of the shank is securely inserted into the collet, especially for larger bits. Color: As shown in image. Material: Alloy. Package includes: 3 x dish cutting router bits. Note: Lighting and display differences may cause slight variation in color between the image and the actual item. Measurement may vary by +/- 1-3 cm.