Dr.Slick 3" Ceramic Bobbin (CBOB3) protects the thread from breaking mid wrap by providing an always smooth surface. The spring metal provides the correct amount of tension to keep things tight without having to pull too hard.
Dr.Slick 3" Titanium Bobbin (TBOB3) thread tube is protected by a tough titanium coating that lasts longer than other coatings as it continuously protects your tying thread from breakage. The spring metal arms provide the correct amount of tension to keep things tight but not too tight.
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