For Commercial Users And Beginners, Kowood Offers Sets Of 24A Pieces Of 1/4-Inch Notise for use: 1. This router bits are designed for portable and desktop woodworking machines and cannot be used on machines such as electric drills and drill presses. 2. Can be used for hard wood, softwood, synthetic board and so on to produce a smooth surface, but to avoid processing copper, iron and other metal materials and sand, stone and other non-wood materials. 3. If you need to use a collect, please select the appropriate size collect. 4. Use appropriate glasses and ear protection when operating.body, clothes and other debris can not be close to the working tool. The maintenance of router bits: (1) The router shank is in high-speed during operation, timely replenishment of lubricating oil is very important for the service life of the shank, so a little lubricant should be added after 2-3 hours of work. (2) Keep the router bits clean. After use, remove the resin, wood chips and other contaminants from the wood and use standard industrial solvents to clean the bits. Product Features ? DURABLE STEEL BODY - Boasting alloy blade, balanced craftsmanship and a solid hardened steel board these woodworking tools can withstand some heavy duty use and the test of time. Their clever anti kickback design ensures safe installation ? USE OF SAFE - The 1/4 inch shank bits provide greater stability and less vibration during use ? WIDELY APPLICATIONS - These tongue and groove router bit set is truly versatile for your extra convenience. Works great with woods, MDF, particle board, plywood compact panel. ?DO NOT cutting ferrous metal and non wood materials, such as: steel, iron, sand, etc? ? EASY TO STORE AND CARRY - The included wooden case is sturdy and makes storing the high-quality router bits convenient while in-between jobs or DIY home improvement projects. The case also helps protect the bits while traveling to work on the go or remote site locations ? VERSATILE TOOL SET - Includes 24 Pieces 1/4 Inch Shank Router Bit Set, easily accomplish a wide range of tasks. We provide 100% satisfaction service, if you have any questions, please kindly feel free to contact us Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!