The inside dimension of this hoop is 4 1/4″ x 13″ (4.25×13″, or 108x330mm)
Actual sewing area depends on brand of machine approximately 3 1/2 x 12 1/4″ (3.46″x 12.21″ or 88 x 310mm)
THIS HOOP WILL ONLY FIT THE NEW PR1X MODEL
IT WILL NOT FIT THE OTHER 1 NEEDLE MODEL