{"title":"Jasper","description":"\u003ch2\u003eJasper Circle Cutting Jigs and Router Guides for Precise Arcs\u003c\/h2\u003e\u003cp\u003eCutting a perfect circle with a router requires a reliable pivot system and a consistent radius setting. Jasper Tools circle jigs provide exactly that, offering woodworkers an adjustable, repeatable way to rout circles and arcs from small rounds up to large tabletop and speaker baffle diameters. Infinity Tools carries two Jasper circle cutting solutions for router table and handheld router use.\u003c\/p\u003e\u003ch3\u003eJasper Circle Guides with Spiral Router Bit\u003c\/h3\u003e\u003cp\u003eThe \u003ca href=\"https:\/\/infinitytools.mom\/products\/jasper-circle-guides-w-spiral-router-bit\"\u003eJasper Circle Guides with Spiral Router Bit\u003c\/a\u003e bundle the jig with a spiral upcut bit optimized for circle routing, so you have everything needed to start cutting circles without sourcing a bit separately. The spiral geometry produces a cleaner edge and better chip evacuation than a straight bit, which matters when routing hardwood discs or nested circles.\u003c\/p\u003e\u003ch3\u003eJasper Pro Circle Making Jigs\u003c\/h3\u003e\u003cp\u003eThe \u003ca href=\"https:\/\/infinitytools.mom\/products\/jasper-pro-circle-making-jigs\"\u003eJasper Pro Circle Making Jigs\u003c\/a\u003e offer expanded radius range and finer adjustment for woodworkers who need precise circle sizes across a broader spectrum of projects. Whether routing speaker holes, round tabletops, or decorative medallions, the Pro jig delivers repeatable results without custom setups. Pair circle routing with the joinery bits from the \u003ca href=\"https:\/\/infinitytools.mom\/collections\/joinery-router-bits\"\u003eJoinery Router Bits\u003c\/a\u003e collection, and explore additional jigs and workholding solutions in the \u003ca href=\"https:\/\/infinitytools.mom\/collections\/table-saw-jigs-and-guides\"\u003eJigs, Sleds, and Hold-Downs\u003c\/a\u003e collection.\u003c\/p\u003e","products":[{"product_id":"jasper-pro-circle-making-jigs","title":"Jasper Pro Circle Making Jigs","description":"\u003cp\u003eCNC machined from \"virtually unbreakable\" polycarbonate plastic, these innovative jigs turn your woodworking router into a precision circle cutting machine.\u003c\/p\u003e\n\u003cp\u003eThe \u003cb\u003eModel 200 PRO\u003c\/b\u003e makes 256 different size circles from 2-1\/4\" to 18-3\/16\" in diameter in 1\/16\" increments.when using a 1\/4\" diameter straight router bit. These are commonly used for making speaker boxes for both home and car audio applications.\u003c\/p\u003e\n\u003cp\u003eThe \u003cb\u003eModel 300 PRO \u003c\/b\u003emakes 184 different size circles from 7\" to 52-3\/4\" in diameter in 1\/4\" increments when used with a 1\/2\" diameter straight bit. Use this jig for projects like round tabletops and furniture features.\u003c\/p\u003e\n\u003cp\u003eBoth Jasper PRO circle making router jigs include a centering disk, 1\/4\"-dia. steel pin, and a variety of screws to make installation on your router fast and accurate. The jig is pre-drilled to attach directly to common router models. For best results, we recommend using a plunge router. Both jigs come with complete instructions.\u003c\/p\u003e\n\u003cp\u003eWhen using these jigs, we recommend using an Infinity Tools Solid Carbide Upcut Spiral Router Bit for best results.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eNOTE:\u003c\/b\u003e See the instructions under the \"Documents\" tab for a complete list of compatible routers. You can easily drill mounting holes in the Circle Guide for those routers not listed.\u003c\/p\u003e\n\u003cstyle type=\"text\/css\"\u003e\u003c!--\n.mss-button-fullscreen {\nleft: 0;\n}\n--\u003e\u003c\/style\u003e","brand":"Jasper","offers":[{"title":"200","offer_id":50141727654177,"sku":"115-041","price":49.9,"currency_code":"USD","in_stock":true},{"title":"300","offer_id":50141727686945,"sku":"115-043","price":59.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/9622\/1217\/files\/115-041_1_7155a698-e68e-4307-a116-8fd7bd9a7c60.webp?v=1723243128"},{"product_id":"jasper-circle-guides-w-spiral-router-bit","title":"Jasper Circle Guides w\/ Spiral Router Bit","description":"\u003cstyle type=\"text\/css\"\u003e\n\u003c!--\nbody {\n\tmargin-left: 0px;\n\tmargin-top: 0px;\n\tmargin-right: 0px;\n\tmargin-bottom: 0px;\n}\n--\u003e\n\u003c\/style\u003e\n\u003cp align=\"center\" style=\"text-align: left;\"\u003e\u003cstrong\u003eMake Perfect Circles Quickly \u0026amp; Easily With Your Router - For 7\" to 52-3\/4\" Circles\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThese truly innovative jigs turn your router into a precision circle cutting machine. CNC machined from a tough plastic and designed to last for years, the Model 300 makes 184 different size circles from 7\" to 52-3\/4\" in diameter in 1\/4\" increments. Designed for use with solid wood, MDF, plywood, particle board and plastic sheet. The scale is calibrated to make circular holes when using a 1\/2\" diameter straight router bit. A calibration disk and dowel pin are included which make installation a snap. The jig is pre-drilled to attach directly to 19 different models of plunger router. Includes mounting and setup hardware as well as complete instructions.\u003c\/p\u003e\n\u003cp\u003eThe \u003cb\u003eModel 200 PRO\u003c\/b\u003e makes 256 different size circles from 2-1\/4\" to 18-3\/16\" in diameter in 1\/16\" increments when using a 1\/4\" diameter straight or spiral router bit. These are commonly used for making speaker boxes for both home and car audio applications.\u003c\/p\u003e\n\u003cp\u003eThe \u003cb\u003eModel 300 PRO \u003c\/b\u003emakes 184 different size circles from 7\" to 52-3\/4\" in diameter in 1\/4\" increments when used with a 1\/2\" diameter straight or spiral router bit. Use this jig for projects like round tabletops and furniture features.\u003c\/p\u003e\n\u003cp\u003eBoth Jasper PRO circle making router jigs include a centering disk, 1\/4\"-dia. steel pin, and a variety of screws to make installation on your router fast and accurate. The jig is pre-drilled to attach directly to common router models. For best results, we recommend using a plunge router. Both jigs come with complete instructions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMounts directly to these routers:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBosch 1613 and 1615\u003c\/li\u003e\n\u003cli\u003eDeWalt 621 and 625\u003c\/li\u003e\n\u003cli\u003eFreud FT2000E\u003c\/li\u003e\n\u003cli\u003eHitachi M8V, TR12 and M12V\u003c\/li\u003e\n\u003cli\u003ePorter Cable 690 series and 7539\u003c\/li\u003e\n\u003cli\u003eSkill 1823 and 1835\u003c\/li\u003e\n\u003cli\u003eAll Sears, Ryobi and Makita routers\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Jasper","offers":[{"title":"300 PRO With 1\/2\" Bit","offer_id":50179700261153,"sku":"115-044","price":99.9,"currency_code":"USD","in_stock":true},{"title":"200 PRO With 1\/4\" Bit","offer_id":50179700228385,"sku":"115-042","price":59.9,"currency_code":"USD","in_stock":true},{"title":"Set of Both","offer_id":50179700293921,"sku":"115-045","price":149.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/9622\/1217\/files\/115-042_1.webp?v=1705895753"}],"url":"https:\/\/infinitytools.mom\/collections\/jasper.oembed","provider":"Infinity Cutting Tools","version":"1.0","type":"link"}