{"product_id":"tormek-stone-grader","title":"Tormek Stone Grader","description":"\u003ch2\u003eTormek SP-650 Stone Grader\u003c\/h2\u003e\r\n\u003cp\u003eThe \u003cstrong\u003eSP-650 Stone Grader\u003c\/strong\u003e gives you precise control over the sharpening characteristics of your Tormek grindstone — adjusting the equivalent grit from \u003cstrong\u003e220 to 1000\u003c\/strong\u003e with a simple press against the running stone. One tool, two sides, infinite versatility.\u003c\/p\u003e\r\n\r\n\u003ch2\u003eWhy Choose the SP-650 Stone Grader?\u003c\/h2\u003e\r\n\u003cul\u003e\r\n\u003cli\u003eAdjust your grindstone grit to an equivalent of \u003cstrong\u003e220–1000 grit\u003c\/strong\u003e\r\n\u003c\/li\u003e\r\n\u003cli\u003eCompatible with the \u003ca href=\"\/products\/tormek-grindstone-250-mm\"\u003eSG-250 Original Grindstone\u003c\/a\u003e and \u003ca href=\"\/products\/tormek-blackstone-silicon-250-mm\"\u003eSB-250 Blackstone Silicon\u003c\/a\u003e\r\n\u003c\/li\u003e\r\n\u003cli\u003eThe \u003cstrong\u003efine side\u003c\/strong\u003e can also clean your \u003ca href=\"\/products\/tormek-japanese-waterstone-250mm\"\u003eJapanese Waterstone\u003c\/a\u003e\r\n\u003c\/li\u003e\r\n\u003cli\u003eQuick and easy to use — just press against the grindstone while the machine is running\u003c\/li\u003e\r\n\u003cli\u003eWorks with the \u003cstrong\u003eTormek T-8, T-4\u003c\/strong\u003e and all older models\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003ch2\u003eFine Sharpening or High Material Removal\u003c\/h2\u003e\r\n\u003cp\u003eThe SP-650 lets you dial in exactly the sharpening performance you need:\u003c\/p\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\r\n\u003cstrong\u003eFor finer sharpening:\u003c\/strong\u003e press the fine side of the SP-650 against the surface of the grindstone with the machine running. The grindstone surface changes to deliver a finer, more refined edge.\u003c\/li\u003e\r\n\u003cli\u003e\r\n\u003cstrong\u003eFor coarser sharpening and faster material removal:\u003c\/strong\u003e press the coarse side against the running grindstone for a few seconds. You can see, feel, and even \u003cem\u003ehear\u003c\/em\u003e the surface change as the grading takes effect.\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003ch2\u003eCompatible Grindstones with Adjustable Grit\u003c\/h2\u003e\r\n\u003cp\u003eThe following Tormek grindstones are specifically designed to work with the SP-650 Stone Grader:\u003c\/p\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\r\n\u003ca href=\"\/products\/tormek-grindstone-250-mm\" title=\"Sg-250 original grindstone\" aria-label=\"Sg-250 original grindstone\"\u003e\u003cstrong\u003eSG-250 Original Grindstone\u003c\/strong\u003e\u003c\/a\u003e — 250 mm\u003c\/li\u003e\r\n\u003cli\u003e\r\n\u003cstrong\u003eSG-200 Original Grindstone\u003c\/strong\u003e — 200 mm\u003c\/li\u003e\r\n\u003cli\u003e\r\n\u003ca href=\"\/products\/tormek-blackstone-silicon-250-mm\" title=\"Sb-250 blackstone silicon\" aria-label=\"Sb-250 blackstone silicon\"\u003e\u003cstrong\u003eSB-250 Blackstone Silicon\u003c\/strong\u003e\u003c\/a\u003e — 250 mm\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cp\u003eThe key advantage: \u003cstrong\u003eremove steel quickly with a coarse setting, then switch to fine\u003c\/strong\u003e for final sharpening — all without changing equipment or losing your sharpening angle.\u003c\/p\u003e\r\n\r\n\u003ch2\u003eSP-650 for Grindstone Maintenance\u003c\/h2\u003e\r\n\u003cp\u003eKeep your grindstone in peak condition with regular maintenance using the SP-650:\u003c\/p\u003e\r\n\u003cul\u003e\r\n\u003cli\u003eUse the \u003cstrong\u003ecoarse side\u003c\/strong\u003e to clean and reactivate your \u003ca href=\"\/products\/tormek-grindstone-250-mm\" title=\"Original grindstone\" aria-label=\"Original grindstone\"\u003eOriginal Grindstone\u003c\/a\u003e or \u003ca href=\"\/products\/tormek-blackstone-silicon-250-mm\" title=\"Sb-250 blackstone silicon\" aria-label=\"Sb-250 blackstone silicon\"\u003eSB-250 Blackstone Silicon\u003c\/a\u003e — press firmly for around 30 seconds.\u003c\/li\u003e\r\n\u003cli\u003eUse the \u003cstrong\u003efine side\u003c\/strong\u003e to clean your \u003ca href=\"\/products\/tormek-japanese-waterstone-250mm\" title=\"Sj-250 japanese waterstone\" aria-label=\"Sj-250 japanese waterstone\"\u003eSJ-250 Japanese Waterstone\u003c\/a\u003e or SJ-200 Japanese Waterstone.\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003ch3\u003eImportant Note\u003c\/h3\u003e\r\n\u003cp\u003e\u003cstrong\u003eNever use the coarse side of the SP-650 on your Japanese Waterstone\u003c\/strong\u003e — this may damage the stone. Always use the fine side only.\u003c\/p\u003e","brand":"Tormek","offers":[{"title":"Default Title","offer_id":58747783807350,"sku":"TOR-SP-650","price":26.98,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0578\/7965\/8664\/files\/tormek-stone-grader-279.webp?v=1789590619","url":"https:\/\/www.ukpenblanks.co.uk\/products\/tormek-stone-grader","provider":"UK Pen Blanks","version":"1.0","type":"link"}