{"product_id":"singer-class-15-30-aluminum-bobbins-50-pack-2996a","title":"Singer Class 15-30 Aluminum Bobbins 50-pack 2996a","description":"This is a BRAND NEW PACK of 50 Aluminum Bobbins #2996 for INDUSTRIAL SINGER 15-30 Class Sewing Machine. PART#2996A WHY ALUMINUM? ALUMINUM is the \"Rolls Royce\" of Bobbins. Aluminum Bobbins add much Less Resistance or Drag to the bobbin thread tension. Aluminum is usually machined to higher tolerances than steel. Aluminum Bobbins are RECOMMENDED by Sewing Machine Manufacturers for Machines with Thread Undertrimmers. Aluminum Bobbins are ideal for difficult or problem applications . They usually cost 300% to 600% more than STEEL Bobbins but we are able to offer them for just a bit more than Steel. So you can use the Finest Possible Bobbins for just a little more than Steel Bobbins! METRIC MEASUREMENT : These Quality Bobbins Measure: 20.0MM WIDE \u0026amp; 11.0MM THICK These are World Class Highest Quality ALL STEEL Bobbins. This Highest Quality Bobbins will fit INDUSTRIAL MACHINES: CONSEW: 30 Class SINGER: 16 17 31-15 44 68 69 78 331K 431D 431F 431T These Bobbins ALSO fit many HOME Sewing Machines including: NEW HOME : K SINGER: 15-30 Why mess around with your bent and worn out bobbins and bobbin cases?\u003cbr\u003e\n","brand":"marisew","offers":[{"title":"Default Title","offer_id":41298913198144,"sku":"50-pack 2996a","price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0581\/9357\/6000\/files\/61e9jkMcBxL.jpg?v=1783439746","url":"https:\/\/gold-star-tool.myshopify.com\/products\/singer-class-15-30-aluminum-bobbins-50-pack-2996a","provider":"Gold Star Tool","version":"1.0","type":"link"}