Check the listing for details. SET OF 20 BOBBINS & 2 BOBBIN CASES FOR SINGER 15 CLASS. Condition: New. Listed at 12.95 USD. SET OF 20 BOBBINS & 2 BOBBIN CASES FOR SINGER 15 CLASS Description: Set of 20 Bobbins and 2 Bobbin Cases for Singer 15 Class and Similar Oscillating Hook Style Sewing Machines. 20 Bobbins # 2518. The metric measurements on these bobbins are 20mm diameter and 10mm thick. 2 Bobbin Cases # 15277. These Bobbin Cases are also sold under these numbers BC-HA1, J01313, 505086. These bobbin cases fit Singer 15 Class sewing machines and many home sewing machines using oscillating hook (shuttle hook). An oscillating hook is a sewing hook that moves back-and-forth when you turn the hand wheel several times. This high quality set will fit Singer 15 class and Oscillating Hook machine including : Singer : 15CL, 15-30, 15K30, 15-80, 15-86, 15-87, 15-96, 15-97, 15-110, 15-111, 15-112, 16, 16-188, 16U, 16U288, 17-23, 17U123, 193B, 194, 227, 237, 239 Adler : 153, 153A, 453, 453A Brother : Oscillating Hook Machines, Side load, Straight Stitch. Elna : 230, 240 Kenmore : Oscillating Hook Machines (Most of 158.xxx models) Meister : Oscillator Necchi : 6011, BU Nova Pfaff : 30 Riccar : Oscillators White : 167, Oscillators Please e-mail with your make/model if in doubt. Shipping: All orders are carefully packaged and shipped via USPS 1st Class Mail, Priority Mail, or UPS Ground, depending on order value and size. Shipping Discount is available for this item. Purchase additional item from our other listings and save on shipping. We combine shipping when you buy two or more items from us, the more you buy, the more you save on shipping. To receive a shipping discount, please ask for a combined invoice before you pay. Contact Us: Feel free to contact us anytime. Please e-mail us if you have any questions. You can typically expect a response within 1 business day. Thank you.