{"product_id":"shopsmith-air-system-used","title":"Shopsmith Air System (Used)","description":"\u003cp\u003e\u003cspan\u003eThe Shopsmith Air System mounts on your Mark headstock or Power Station. This feature makes the Air System unique. Though you should normally run the Air System at 1750 RPM, you can run certain accessories at variable speeds between 1150 and 2050 RPM, altering the volume of compressed air.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e Adjustable 0 to 100 PSI. Includes quick connect and complete 20 page manual. Power coupler not included.\u003c\/span\u003e\u003c\/p\u003e","brand":"Shopsmith Mark 4\/7\/520","offers":[{"title":"Default Title","offer_id":54232236392742,"sku":null,"price":50.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0937\/4357\/9430\/files\/20260929_140028.jpg?v=1793217256","url":"https:\/\/shopsmithmark47520.com\/products\/shopsmith-air-system-used","provider":"Shopsmith Mark 4\/7\/520","version":"1.0","type":"link"}