1000sets 1-3/4" 44mm Metal Pin Badge Button Parts Supplies for N3 N4 on Sale!! NOTE:Our button supply only fits for our button maker, before you buy it please make sure you know that. thanks. Any question, just please contact us.we will try our best to help you You are bidding button supplies, not well made buttons. Click here if you need a machine to complete the process. Components:Complete set includes 1 Shell, 1 Mylar and 1 Pin back. Components Complete set includes 1 Shell, 1 Mylar and 1 Pin back. Quality:100 Sets per package. 5 packages. Shell Size:1-3/4" (44mm);Mylar Size:54mm Light-Easy to carry and ship saving. All metal parts provide a high quality than other plastic one.