OUTER DIA APPROX - 28mm
INNER DIA APPROX - 15mm
THICKNESS APPROX - 6mm 1/4''
This will fit most machine as its stretches around your pully so the measurements stated will stretch
IT WILL FIT SINGER SEWING MACHINES 201K, 99K, 28K, 66K, 128K, 15K, 185K AND MOST SEWING MACHINES.
PLEASE NOTE THIS WILL NOT FIT SINGER 1890'S 128K / 28K V2 VERSION WITH LARGER BOBBIN WINDER .
WITH FREE UK DELIVERYWITH MONEY BACK GUARANTEE