1/2 Inch Inside Diameter)
Size Details: about 5inch/13cm in total:3inch/8cm tassel+2inch/8cm loop
elite group of brands who actually make their own products
wont yellow over time
EASY TO USE:With a clasp
Singer Bobbins Class 15 Transparent, 4-Count 1-pack hidden 1/2 Inch Inside Diameter)Singer Bobbins Class 15 Transparent, 4 Count This set of 4 class 15 transparent plastic bobbins serve as replacements for the following brands: SINGER, Atlas, Brother, Domestic (rotary), Elna, Kenmore (rotary), Morse, necchi, New Home (rotary old style) Pfaff, Sewmore, Universal, White (rotary), and Wizard machines. Consult your machines manual to ensure correct bobbin size. Use the transparent bobbins beneath the needle plate in automatic sewing