Jasper 400+ XL Universal Base Plate & Precision Circle Cutting Guide for Cordless & Compact Routers | Two Tools IN One | 7 1⁄2" Diameter | Mounting and Centering Hardware Included

Amazon.com The Jasper Router Circle Cutting Jig is ideal for the speaker maker. Designed primarily for making smaller speaker cut-outs, particularly for tweeters and midranges, it can also flush mounting speaker drivers. Converting a plunge router into a precision circle cutting device, the jig allows the craftsman to make 120 different size cutouts in 1/16-inch increments. The cutouts range in size from 7-to-18-3/16-inches. Perfect for tweeters and small midranges, it cuts holes from 1-to-7-1/2-inches. Manufactured from cast acrylic 3/8-inch thick, the jig can be left on the router as a sub base, and be used with MDF, plywood, particle board, solid woods and plastic sheet. Made in the U.S.A., this circle cutting jig mounts directly to the base of 19 different models of plunge routers including Bosch 1615, DeWalt 621 and 625, Freud FT2000E, Hitachi M8V, TR12 and M12V, Porter Cable 690 series and 7539, Skill 1823 and 1835, and all Sears, Ryobi and Makita models. From the Manufacturer The Model 400 circle jig allows the craftsman to make 120 different size cutouts in 1/16" increments. The cutouts range in size from 7 to 18 3/16".

• 2 TOOLS IN 1 VERSATILITY - The Jasper 400+ is a XL, Universal Base Plate Adapter that converts your router to use Porter Cable style bushings - AND an award winning perfect circle guide ideal for making speaker cutouts, circular inlays, decorative discs, etc.
• 𝐄𝐗𝐓𝐑𝐀-𝐋𝐀𝐑𝐆𝐄 & 𝐂𝐑𝐘𝐒𝐓𝐀𝐋 𝐂𝐋𝐄𝐀𝐑 𝐕𝐈𝐒𝐈𝐁𝐈𝐋𝐈𝐓𝐘: Featuring a 7.5-inch diameter offers unmatched visibility and control. Easily align with your cut lines and enjoy flawless accuracy when working on detailed freehand cuts
• 𝐏𝐑𝐄𝐂𝐈𝐒𝐈𝐎𝐍 𝐂𝐈𝐑𝐂𝐋𝐄 𝐂𝐔𝐓𝐓𝐈𝐍𝐆: Precision-engineered for woodworkers, DIYers, and Makers, the Jasper 400+ lets you cut 98 different circle sizes in 1/16” increments—all marked and calibrated for a ¼" router bit. No guesswork—just smooth, repeatable cuts every time
• 𝐀𝐂𝐂𝐔𝐑𝐀𝐓𝐄 & 𝐄𝐀𝐒𝐘 𝐒𝐄𝐓𝐔𝐏: Includes a spot-on centering calibration disc, pivot pins, and universal mounting hardware to fit most routers. Get laser-accurate circles with minimal setup time
• 𝐋𝐎𝐍𝐆-𝐋𝐀𝐒𝐓𝐈𝐍𝐆 𝐂𝐎𝐍𝐒𝐓𝐑𝐔𝐂𝐓𝐈𝐎𝐍: Crafted from hardened, crystal-clear acrylic, the Jasper 400+ is durable, reliable, and built for long-term use on all your woodworking projects