BOBBY FIL CORE MAGNETIC - 100% polyester prewound Bobbin Thread, with core (magnetic on one side black) and no sides

BOBBY FIL 120L - 100% polyester prewound Bobbin Thread, with core and no sides

BOBBY FIL 110L - 100% polyester prewound Bobbin Thread, with core and side discs

BOBBY COT 100 - 100% Cotton

BOBBY SYN 100 - 100% Polyester

BOBBY SYN 130 - 100% Polyester