20 Large Bobbins for Industrial Sewing Consew Juki Cutex Brand Pack Of 20 Brand New Large Capacity (M Size) Bobbins For Industrial Sewing Machine Bobbin #18034 Bobbin measurement : 1" diameter, 3/8" thick This popular bobbin is also sold under these numbers : DO-DBM(1)N, 117061-001, R1143, 18034, B9117-201-000, MF25B0123, 201143000 Color of Bobbins may vary