This is a regular size embroidery bobbin Case, fits for most home and commercial embroidery machines. It's made in high strength steel and with 22mm diameter. It has a spring which can tie bobbin thread very well. Great quality and value.
New Latch Spring for Singer 301 221 222K Featherweight Sewing
Bobbin Cases - Nolting Longarm Quilting Machines
Replacement Embroidery Machine Bobbin Case, Style L - With Anti-Backlash Spring, Compatible with most of commercial embroidery machines like Tajima,
Replacement Embroidery Machine Bobbin Case | Fit Most of Commercial Machine | 50pcs | Bulk Price
XLC Bobbin case with pigtail and spring, Size M (BC-DBM(Z2) NBL2, SC35-LB, KF220302, RF40552). For Meistergram machines M600XL, 700XL, 800XLM, 800XLC,
XLC Bobbin Case with Pigtail and Spring Size M
KOBAN BOBBIN CASE SC35-NS L SIZE ORIGIN IN JAPAN FOR TAJIMA
L Size Koban Bobbin Case With Anti-Backlash Spring
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HAYA L BOBBIN CASE W/O ANTI-BACKLASH SPRING BC-DBZ(1) [HLBC, 1-4
Bobbin Cases for Singer & Consew Models - (20U, 120U, 103, 199