Ceramic Spigot - Top quality full Ceramic Tubed Bobbin Holder
CI - Bobbin holder with Ceramic Inserts each end of the tube
Lightweight CI - As above but a much lighter weight
Spigot - the standard bobbin holder
Bullet Bobbin holder - simular to the Spigot but with either a flared or non flared tip
Flared disc - a standard bobbin holder with a nice thumb grip.