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Foot pedal and its own thread tree and motor, bobbin shaft adjustab;le to any size bobbin.
Item#QCA100

Some people call these a bronze bobbin. These are the favorite metal bobbins for longarm. They have the cooling holes for speed and the little slot to fit on the built in bobbin winder on Gammill Longarms. They are not sticky and they last and last. They are a little more money but worth every penny. Size M. Pack of 10
Item#1143SU

These are plastic and the type that goes in a top loading Janome. 10 in a package.
Item#SH-102261103

This rubber ring holds either size L bobbins or size M bobbins. I love mine and it kind of sticks to the sewing table and if I bump it-it stays right where I put it.
Item#BBSV

This Bobbin box holds 25 bobbins and is made of a plastic that you can see through well enough to identify the bobbin you want.
Item#10C

These are metal and slotted and are the type that goes into a bobbin case. 5 in a package.
Item#1717