This bobbins are standard size with the special notch to fit bobbin winders.
5PCS Standard Industrial Bobbin Case – Fits Embroidery Machines Using Size L
Ashford Standard Single Drive Bobbin - Natural Finish.
Ashford Standard Double Drive Bobbin - Natural Finish.
25mm Metal Cam Buckles for Webbing – 125kg LC (250 daN STF) x2 x5 x10 x50
KnitPro Zing Metal Interchangeable Circular Knitting Needle Tips Standard Short
Barpre Ring Sizer UK A-Z Measuring Tool Set, Premium Aluminium Finger Gauge & Plastic Belt, Accurate Metal Jewellery Sizing Kit for Men Women, Official Standard Measure for Wedding Bands & Smart Rings