Description: Material: Iron Metal, it is durable to use Total size: Approx. 32 x 18 x 32mm/1.25 x 0.7 x 1.25 inch This Bobbin Case Cap fits for Singer 221 & 301 Sewing Machine DIY Useful Sewing Machine Parts Attachments Sewing Machine Accessories Model: JC-HR221 Package Includes: 1 Piece Sewing Machine Bobbin Case