1. The Multipurpose Cutting Kit allows for sturdy, controlled cuts in a variety of materials including: wood, ceiling tiles, drywall, laminate, fiberglass, plastic and vinyl siding 2. Used for fixing drill bit, milling cutter, and others, keep the more steady. 3. Depth adjustment quickly sets correct cutting depth up to 3/4inch (19mm) 4. Perfect to make a rotary tool into a small. the base threads onto the tool for a tight and secure base for routering. Type: Cutting Guide Attachment Kit Colour:Black+silver Material:Plastic + Steel Size:Tool Converter Height: 48mm/1.89 inch Tool Converter Diameter: 60mm/2.36 inch Inner diameter: 18mm/0.71 inch Outer diameter: 25mm/0.98 inch Maximum Depth Adjustment: 3/4 inch(19mm) Max RPM: 28,000 Drill diameter: 1/8 inch(3.175mm) Hss routing router bits length: 39mm /1.53 inch Twist dirll bit length: 60mm/2.37 inch Package Contents: 1 x Cutting Guide 4 x twist Drill 6 x HSS Routing Router Bits Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!